Joseph R. Ruiz, MD
Department of Anesthesiology and Perioperative Medicine, Division of Anesthesiology, Critical Care Medicine, and Pain Medicine
About Dr. Ruiz
Present Title & Affiliation
Primary Appointment
Professor, Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX
Research Interests
Joseph Ruiz, MD, CHCQM, CMQ is also the Past Primary Investigator for institution’s involvement with the Multispecialty Perioperative Group (www.MPOG.org)
Education & Training
Degree-Granting Education
| 1986 | Cornell University Medical College, New York, US, MD |
| 1982 | The University Of Texas at Austin, Austin, US, Chemical Engineering, BS |
Postgraduate Training
| 1989-1992 | Residency in Anesthesiology, The University of Texas Health Science Center, Houston |
| 1987-1989 | Residency in General Surgery/Urology, The University of Texas Health Science Center, Houston |
| 1986-1987 | Internship in General Surgery, The University of Texas Health Science Center, Houston |
Licenses & Certifications
| 2019 | American Board of Quality Assurance and Utilization Review Physicians: Certified in Health Care Quality and Management (CHCQM) |
| 2019 | American Board of Medical Quality: Certified in Medical Quality |
| 2010 | American Board of Medical Quality |
| 1993 | American Board of Anesthesiology |
| 1989 | Texas Board of Medical Examiners |
Experience & Service
Faculty Academic Appointments
Professor, Gastroenterology, Hepat,& Nutr, The University of Texas MD Anderson Cancer Center, Houston, TX, 2015 - 2019
Assistant Professor, Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 2003 - 2015
Staff Anesthesiologist, Anesthesiology Consultants of Houston Primary facility: Spring Branch Medical Center, Houston, TX, 2000 - 2003
Staff Anesthesiologist, "Anesthesiology Consultants of Houston Primary Facility: Bayou City Medical Center (ACH resigned privileges of all members Effective 10/00)", Houston, TX, 1999 - 2000
Staff Anesthesiologist, Katy Anesthesiology Services, Fort Bend Medical Center, Missouri City, TX, 1993 - 1999
Staff Anesthesiologist, Katy Anesthesiology Services, Katy Medical Center, Katy, TX, 1993 - 1999
Staff Anesthesiologist, Association Anesthesia, Primary Facility St. Joseph's Hospital, Houston, TX, 1992 - 1993
Administrative Appointments/Responsibilities
Committee Chair, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2019 - 2022
Committee Chair, Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center Taskforce Committee on Intraoperative Handoffs, Houston, TX, 2013 - 2013
Member, Credentials Committee of the Medical Staff, The University of Texas MD Anderson Cancer Center, Houston, TX, 2011 - 2014
Administrator Multicenter Perioperative Outcomes Group (MPOG), DR10-0343, Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 2010 - Present
Alternate Member of First Clinical Effectiveness Committee, The University of Texas MD Anderson Cancer Center, Houston, TX, 2007 - 2012
Department of Anesthesiology and Pain Medicine Performance Improvement Committee, Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 2004 - Present
Operating Room Anesthesia Faculty on Acute Post-Op Pain Service, Anesthesiology Department, The University of Texas MD Anderson Cancer Center, Houston, TX, 2003 - 2005
Other Professional Positions
Reviewer, American Society of Anesthesiologists Outcomes and Database Research, Abstract Review Subcommittee, Chicago, IL, 2015 - 2015
Reviewer, American Society of Anesthesiologists Outcomes and Database Research, Abstract Review Subcommittee, New Orleans, LA, 2014 - 2014
Consultant, Baxter Pharmaceuticals, Deerfield, IL, 2009
Consultant, EISAI, Bloomington, NM, 2008
Consultant, MGI Pharma, Inc, Bloomington, MN, 2007
Member, Credentialing Committee, Spring Branch Medical Center, Houston, TX, 2002 - 2003
Member, Infectious Disease Committee, Katy Medical Center, Katy, TX, 1993 - 1999
Extramural Institutional Committee Activities
Member, Data, Analytics, & Reporting Informatics Governance Committee, The University of Texas MD Anderson Cancer Center, 2019 - 2020
Member, Executive Committee of the Medical Staff, The University of Texas MD Anderson Cancer Center, 2019 - Present
Chair, Utilization Review committee, The University of Texas MD Anderson Cancer Center, 2019 - 2022
Member, Utilization Review Subcommittee, The University of Texas MD Anderson Cancer Center, 2017 - Present
Facilitator, Performance Improvement Project for Clinical Safety and Effectiveness Course: Improving Communication for Postoperative Patient Handoffs, The University of Texas MD Anderson Cancer Center, 2014 - 2014
Member, Anxiolysis Algorithm Workshop, The University of Texas MD Anderson Cancer Center, 2013 - 2016
Member, Clinical Effort Standardization & Faculty Incentive Program Committee, The University of Texas MD Anderson Cancer Center, 2013 - 2015
Chairman, Taskforce Committee on Intraoperative Hand-Offs, The University of Texas MD Anderson Cancer Center, 2013 - 2016
Facilitator, Performance Improvement Project for Clinical Safety and Effectiveness Course: To Reduce the Incidence of Perioperative Hypothermia Using the Bair Paws Warming Gown, The University of Texas MD Anderson Cancer Center, 2013 - 2013
Member, Perioperative Pre-op Committee, The University of Texas MD Anderson Cancer Center, 2013 - 2015
Member, Focused Professional Peer Evaluation (FPPE) Committee (a subcommittee of the CCMS), The University of Texas MD Anderson Cancer Center, 2012 - 2013
Facilitator, Performance Improvement Project for Clinical Safety and Effectiveness Course: Reducing Postoperative Hypothermia in the Post Anesthesia Care Unit (PACU), The University of Texas MD Anderson Cancer Center, 2012 - 2012
Member, The University of Texas MD Anderson Cancer Center Department of Anesthesiology and Perioperative Medicine Mentoring Committee, The University of Texas MD Anderson Cancer Center, 2011 - Present
Member, Credentials Committee of the Medical Staff (CCMS) Ad hoc Group - OPPE Policy, The University of Texas MD Anderson Cancer Center, 2011 - 2014
Member, Credentials Committee of the Medical Staff, The University of Texas MD Anderson Cancer Center, 2011 - 2014
Member, Faculty Senate Clinical Affairs Committee, The University of Texas MD Anderson Cancer Center, 2010 - 2011
Member, National Surgical Quality Improvement Program (NSQIP)/Surgical Care Improvement Project (SCIP), The University of Texas MD Anderson Cancer Center, 2009 - Present
Special Advisor, Clinical Effectiveness Subcommittee, Medical Practice Committee and Executive Committee of the Medical Staff, The University of Texas MD Anderson Cancer Center, 2008 - Present
Alternate, Clinical Effectiveness Committee, The University of Texas MD Anderson Cancer Center, 2008 - 2012
Member, Faculty Senate Clinical Affairs Committee, The University of Texas MD Anderson Cancer Center, 2008 - 2011
Lead, PONV Algorithm Workshop, The University of Texas MD Anderson Cancer Center, 2007 - Present
Member, Performance Improvement Project for Clinical Safety and Effectiveness Course: Clinical Safety & Effectiveness-Main PACU, The University of Texas MD Anderson Cancer Center, 2007 - 2007
Member, Performance Improvement Project for Clinical Safety and Effectiveness Course: Naloxone Trigger Project- Phase 2, The University of Texas MD Anderson Cancer Center, 2006 - 2006
Member, JCAHO Readiness OR Taskforce, The University of Texas MD Anderson Cancer Center, 2006 - 2009
Member, Ethics Database Taskforce, The University of Texas MD Anderson Cancer Center, 2006 - 2008
Chair, Performance Improvement Project for Clinical Safety and Effectiveness Course: Departmental Performance Improvement Vision, The University of Texas MD Anderson Cancer Center, 2005 - 2008
Chair, Performance Improvement Project for Clinical Safety and Effectiveness Course: Implementation of Evidence Based Medicine Prophylaxis for Postoperative Nausea and Vomiting, The University of Texas MD Anderson Cancer Center, 2005 - 2007
Member, Clinical Ethics Committee, The University of Texas MD Anderson Cancer Center, 2005 - 2008
Member, Performance Improvement Committee, Anesthesiology Department, The University of Texas MD Anderson Cancer Center, 2004 - Present
Honors & Awards
| 2019 | Outstanding Clinical Investigation, Society of Interventional Oncology |
| 2018 | Faculty Excellence Honoree for Quality Improvement |
| 2011 - 2012 | Who's Who in Medicine and Healthcare, Marquis Who's Who |
Professional Memberships
Selected Presentations & Talks
Local Presentations
- 2014. Positioning Under Anesthesia in Interventional Radiology. Conference. Positioning Under Anesthesia in Interventional Radiology. Houston, TX, US.
Regional Presentations
- 2011. Leadership support optimizes performance improvement. Poster presentation. Conference. Leadership support optimizes performance improvement. Poster presentation. San Antonio, TX, US.
National Presentations
- 2021. When Equipment Misbehaves: A Case Report of Severe Respiratory Acidosis (ID208). Conference. When Equipment Misbehaves: A Case Report of Severe Respiratory Acidosis (ID208), US.
- 2021. Total Recall: The evolution of Awake Craniotomies. Conference. Total Recall: The evolution of Awake Craniotomies, US.
- 2021. Value of Adrenergic Blockade in Preventing Hypertensive Crisis During Ablation of Adrenal Masses. Conference. Value of Adrenergic Blockade in Preventing Hypertensive Crisis During Ablation of Adrenal Masses, US.
- 2020. lung Isolation for Cryoablation in Interventional Radiology. Conference. lung Isolation for Cryoablation in Interventional Radiology, US.
- 2019. Cardiovascular Response to High-Volume Injection of Polymethyl Methacrylate to Stabilize Cancer-associate Fractures: What are the Cardiovsacular Risks to High Volume PMMA Injection. Conference. Outstanding Clinical Investigation. Boston, MA, US.
- 2019. Creating Leaders through a Mentoring Program and Faculty Academic Productivity: An 13 Year Assessment. Conference. Creating Leaders through a Mentoring Program and Faculty Academic Productivity: An 13 Year Assessment. Las Vegas, NV, US.
- 2017. Factors which Enhance the Implementation of a New Electronic Medical Record in the Perioperative Environment. Conference. Factors which Enhance the Implementation of a New Electronic Medical Record in the Perioperative Environment. Niagara Falls, US.
- 2016. A Survey of Anesthesia Providers and Post Anesthesia Care Unit Nurses to Assess Satisfaction with a Postoperative Handoff Protocol. Conference. A Survey of Anesthesia Providers and Post Anesthesia Care Unit Nurses to Assess Satisfaction with a Postoperative Handoff Protocol, US.
- 2016. Pediatric Patient With Egg-Allergy Needing Daily Sedation: The Safe Use of Propofol. Conference. Pediatric Patient With Egg-Allergy Needing Daily Sedation: The Safe Use of Propofol. Chicago, IL, US.
- 2015. Daily Sedation Required for Pediatric Patient with Egg-Allergy: The Safe Use of Propofol. Conference. PGA 2015. New York, NY, US.
- 2015. Unexpected SAM encountered intraoperatively secondary to hypovolemia in noncardiac surgery. Conference. Unexpected SAM encountered intraoperatively secondary to hypovolemia in noncardiac surgery. New York, NY, US.
- 2015. Total Intravenous Anesthesia without an Endotracheal Tube for Endoscopic Retrograde Cholangiopancreatography and the Incidence of Conversion to Endotracheal Intubation: A Retrospective Review. Conference. Total Intravenous Anesthesia without an Endotracheal Tube for Endoscopic Retrograde Cholangiopancreatography and the Incidence of Conversion to Endotracheal Intubation: A Retrospective Review. Washington, DC, US.
- 2014. Radial nerve injury following renal radiofrequency ablation in the lateral position. Conference. Radial nerve injury following renal radiofrequency ablation in the lateral position. New York, NY, US.
- 2014. A Survey of Anesthesia Providers and PACU RN's to Assess Satisfaction with Postoperative Handoff Processes. Conference. A Survey of Anesthesia Providers and PACU RN's to Assess Satisfaction with Postoperative Handoff Processes. New Orleans, LA, US.
- 2014. Opioid Administration to Patients with Acute Lymphoblastic Leukemia is Not Associated with Decreased Survival. Conference. Opioid Administration to Patients with Acute Lymphoblastic Leukemia is Not Associated with Decreased Survival. New Orleans, LA, US.
- 2014. Development of a protocol to improve postoperative handoffs. Conference. Development of a protocol to improve postoperative handoffs. San Antonio, TX, US.
- 2014. Does Sedation Method Affect Adenoma Detection Rates During Screening Colonoscopy?. Conference. Does Sedation Method Affect Adenoma Detection Rates During Screening Colonoscopy?. Washington, DC, US.
- 2014. Using OPPE Metrics to Demonstrate Changes in a Group's Performance: A Five Year Review. Conference. Using OPPE Metrics to Demonstrate Changes in a Group's Performance: A Five Year Review. Dallas, TX, US.
- 2013. Leadership Emphasis Improves PONV Guideline Adherence; but Anesthesiologists changed from a Risk Adjusted to a Fixed Guideline Compliance for PONV prophylaxis. Conference. Leadership Emphasis Improves PONV Guideline Adherence; but Anesthesiologists changed from a Risk Adjusted to a Fixed Guideline Compliance for PONV prophylaxis. Scottsdale, AZ, US.
- 2012. Optimal Early Post-Operative Antiemetic Prophylaxis Regimen in the Breast Surgical Patient. Conference. Optimal Early Post-Operative Antiemetic Prophylaxis Regimen in the Breast Surgical Patient. Kobe, Japan, US.
- 2012. Leadership Support is Critical to Improve Compliance with Recommended Departmental Practice Guidelines. Conference. Leadership Support is Critical to Improve Compliance with Recommended Departmental Practice Guidelines. Buenos Aires, Argentina, US.
- 2012. Assessment of Postoperative Vomiting in Retinoblastoma Patients and Their Siblings Undergoing Eye Exams Under Anesthesia. Conference. Assessment of Postoperative Vomiting in Retinoblastoma Patients and Their Siblings Undergoing Eye Exams Under Anesthesia. Buenos Aires, Argentina, US.
- 2011. Leadership support optimizes performance improvement. Conference. Leadership support optimizes performance improvement. San Antonio, TX, US.
- 2011. Controversies in PONV Management (Point-Counterpoint). Conference. Controversies in PONV Management (Point-Counterpoint). Chicago, IL, US.
- 2009. Creation of a Focused Data Application to Track the Incidence of PONV. Conference. Creation of a Focused Data Application to Track the Incidence of PONV. Houston, TX, US.
International Presentations
- 2022. Successful Emergent Nasotracheal Intubation in the setting of obstructive oropharyngeal mass. Invited. Symposium of Cancer Research 2022, SG.
- 2021. Total Recall: The evolution of Awake Craniotomies. Invited. 17th World Congress of Anaesthesiologists, US.
- 2021. Value of Adrenergic Blockade in Preventing Hypertensive Crisis During Ablation of Adrenal Masses. Invited. 17th World Congress of Anaesthesiologists, US.
- 2021. When Equipment Misbehaves: A Case Report of Severe Respiratory Acidosis (ID208). Invited. 17th World Congress of Anaesthesiologists, US.
- 2015. Mimicking and Comparing Expert Assessment of Vital Sign Quality for Correlation with 30-Day Outcomes using Regression on Time Series Segment Features. Conference. 2015 Society for Industrial and Applied Mathematics, International conference on Data Mining. Vancouver, CA.
- 2015. The Effect Of Dexmedetomidine On Postoperative Intravenous Opioid And Antiemetic Administration In Patients Undergoing Thyroidectomy. Conference. SIMPAR (Study in Multidisciplinary PAin Research) 2015. Rome, IT.
- 2015. Using Quality Improvement Methods to Develop a Postoperative Handoff Protocol. Conference. International Anesthesia Research Society 2015 Annual Meeting and International Science Symposium. Honolulu, US.
- 2015. Ongoing Professional Practice Evaluation (OPPE) Metrics Improve Compliance With Intraoperative Handoff Procedures. Conference. International Anesthesia Research Society 2015 Annual Meeting and International Science Symposium. Honolulu, US.
- 2012. Leadership Support is Critical to Improve Compliance with Recommended Departmental Practice Guidelines. Conference. Proceedings of the World Congress of Anesthesia. Buenos Aires, US.
- 2012. Assessment of Postoperative Vomiting in Retinoblastoma Patients and Their Siblings Undergoing Eye Exams Under Anesthesia. Invited. Proceedings of the World Congress of Anesthesia. Buenos Aires, US.
- Changes of Pulse Contour Measurements and Hemodynamic Variations in Thoracic Surgery Under Lateral Decubitus Positioning and One-Lung Ventilation. Invited. AATS International Thoracic Surgical Onoclogy Summit, US.
- Changes of Pulse Contour Measurements and Hemodynamic Variations in Thoracic Surgery under lateral Decubitus Positioning and one-lung Ventilation. Invited. AATS International Thoracic Surgical Oncology Summit, US.
Formal Peers
- 2019. Anesthesia for Interventional Radiology. Visiting. Houston, TX, US.
- 2019. Anesthesia in Interventional Radiology. Visiting. Houston, TX, US.
- 2019. Anesthesia and Interventional Oncology. Visiting. Boston, MA, US.
- 2019. Quality Improvement in Anesthesia. Visiting. Lima, PE.
- 2014. “Peer Reviewed Publications”. Visiting. Houston, TX, US.
- 2013. Moderate Sedation in the Imaging Environment. Visiting. Houston, TX, US.
- 2010. Long QT Syndrome Update. Visiting. Houston, TX, US.
Selected Publications
Peer-Reviewed Articles
- Tsai, EH, Nguyen, E, Awad, AA, Ruiz, JR. Tracheostomy Tube Pilot Balloon Spring as an Unrecognized Source of a Magnetic Resonance Imaging Metallic Artifact. Anesthesiology 143(4):1028-1029, 2025. e-Pub 2025. PMID: 40923825.
- Paolucci, I, Albuquerque Marques Silva, J, Lin, YM, Fellman, B, Jones, KA, Tatsui, CE, Weinberg, J, Ruiz, JR, Tan, J, Brock, K, Bale, R, Odisio, BC. Study Protocol STEREOLAB. Cardiovascular and Interventional Radiology 46(12):1748-1754, 2023. e-Pub 2023. PMID: 37563313.
- Tan JA, Lim JW, Rahlfs JW, Ruiz JR. OPPE Metrics Improve Compliance To Intraoperative Handoff Procedures. Anesthesia and Medical Practice Journal 2016(3):113, 2017. e-Pub 2017.
- Thirumurthi S, Raju GS, Pande M, Ruiz J, Carlson R, Hagan KB, Lee JH, Ross WA. Does deep sedation with propofol affect adenoma detection rates in average risk screening colonoscopy exams?. World J Gastrointest Endosc 9(4):177-182, 2017. e-Pub 2017. PMID: 28465784.
- Long K, Ruiz JR, Kee S, Kowalski A, Goravanchi F, Cerny J, French K, Hernandez M, Perrier N, Rebello E. Effect of Adjunctive Dexmedetomidine on Postoperative Intravenous Opioid Administration in Patients Undergoing Thyroidectomy in an Ambulatory Setting. Journal of Clinical Anesthesia 35:361-364, 2016. e-Pub 2016.
- Rebello E, Kowalski A, Kee S, Ruiz J, Rahlfs T. Implementing A Mentoring Program and Faculty Academic Productivity At the American Society of Anesthesiologists’ Annual Meeting. Anesthesia & Analgesia 123:97-98 · September 2016 123:97-8, 2016. e-Pub 2016.
- Williams U, Van Meter A, Lim J, Vachhani S, Sabir S, Abdelsalam M, Ruiz JR. Radial nerve injury following renal radiofrequency ablation in the lateral decubitus position. Open Journal of Clinical & Medical Case Reports 2(7):1-6, 2016. e-Pub 2016.
- Myers RB, Frenzel JC, Ruiz JR, Jermaine AC. Do anesthesiologists know what they are doing? Mining a surgical time-series database to correlate expert assessment with outcomes. ACM Trans. Knowl. Discov. Data 10(3). e-Pub 2016.
- Hagan K, Ruiz JR, Thirumurthi S, Arunkumar R. Total Intravenous Anesthesia Without an Endotracheal Tube for Endoscopic Retrograde Cholangiopancreatography and the Incidence of Conversion to Endotracheal Intubation: a Retrospective Review. Gastrointestinal Endoscopy 81(5):AB308, 2015. e-Pub 2015.
- Ruiz JR, Ensor JE, Lim JW, Van Meter A, Rahlfs TF. Phenothiazine vs 5HT3 antagonist prophylactic regimens to prevent Post-Anesthesia Care Unit rescue antiemetic: an observational study. Open J Anesthesiol 5(2):27-32, 2015. e-Pub 2015. PMID: 26635998.
- Owusu-Agyemang P, Borthakur G, Rebello E, Ruiz JR, Cata J. The Association Between Opioid Administration and Response to Therapy in Patients with Acute Lymphoblastic Leukemia. Leukemia and Lymphoma 56(6):1-9, 2014. e-Pub 2014.
- Thirumurthi S, Gottumukkala R, Ruiz JR, Ross W. Does Sedation Method Affect Adenoma Detection Rates During Screening Colonoscopy?. Gastrointestinal Endoscopy 79(5):AB549-AB550, 2014. e-Pub 2014.
- Owusu-Agyemang P, Grosshans D, Arunkumar R, Rebello E, Popovich S, Zavala A, Williams C, Ruiz J, Hernandez M, Mahajan A, Porche V. Non-invasive anesthesia for children undergoing proton radiation therapy. Radiother Oncol 111(1):30-4, 2014. e-Pub 2014. PMID: 24560754.
- Apfel CC, Philip BK, Cakmakkaya OS, Shilling A, Y-Y S, Leslie JB, Allard M, Turan A, Windle P, Odom-Forren J, Hooper VD, Radke OC, Ruiz J, Kovac A. Who is at risk for post discharge nausea and vomiting after ambulatory surgery?. Anesthesiology 117:475-486, 2012. e-Pub 2012.
- Frenzel JC, Kee SS, Ensor JE, Riedel BJ, Ruiz JR. Ongoing provision of individual clinician performance data improves practice behavior. Anesth Analg 111(2):515-519, 2010. e-Pub 2010. PMID: 20529985.
- Ruiz JR, Kee SS, Frenzel JC, Ensor JE, Selvan M, Riedel BJ, Apfel C. The effect of an anatomically classified procedure on antiemetic administration in the postanesthesia care unit. Anesth Analg 110(2):403-9, 2010. e-Pub 2010. PMID: 19713254.
- Soave R, Ruiz J, Garcia-Saucedo V, Garrocho C, Kean BH. Cryptosporidiosis in a rural community in central Mexico. J Infect Dis 159(6):1160-2, 1989. e-Pub 1989. PMID: 2723461.
Review Articles
- Taiji R, Lin EY, Lin YM, Yevich S, Avritscher R, Sheth RA, Ruiz JR, Jones AK, Chintalapani G, Nishiofuku H, Tanaka T, Kichikawa K, Gupta S, Odisio BC. Combined Angio-CT Systems: A Roadmap Tool for Precision Therapy in Interventional Oncology. Radiol Imaging Cancer 3(5):e210039, 2021. e-Pub 2021. PMID: 34559007.
- Van Meter A, Williams U, Zavala A, Kee J, Rebello E, Tsai J, Ifeanyi I, Ruiz J, Lim J, Owusu-Agyemang P. Beat to Beat: A Measured Look at the History of Pulse Oximetry. J Anesth Hist 3(1):38-43, 2017. e-Pub 2017. PMID: 28160986.
Abstracts
- Myers R, Ruiz J, Jermaine C, Nates J. The Cumulative Model: Predicting 30-Day Mortality in Abdominal Surgery Cancer Patients. Journal of Surgical Oncology, 2020. e-Pub 2020.
- Baiomy A, Yevich S, Ruiz JR, and Gupta S. Cardiovascular Response to High-volume Injection of Polymethyl Methacrylate to Stabilize Cancer-associated Fractures: What Are the Cardiovascular Risks to High Volume PMMA Injection?, 2019. e-Pub 2019.
- French K, Speer B, Popovich S, Andrabi T, Ruiz J, Rahlfs T. Use of technology to increase efficiency in a peri-procedure assessment center(PAC) as measured by time driven activity based costing(TDABC). Japanese Society of Anesthesiologists, 2018. e-Pub 2018.
- Ahrar K, Ruiz J, Sabir S, Tam A, Linch F. Value of Adrenergic Blockade in Preventing Hypertensive Crisis During Ablation of Adrenal Masses. Society of Interventional Radiology, Washington, DC, 2017. e-Pub 2017.
- Rebello E, Kowalski A, Kee S, Goravanchi F, Norman P, Ruiz J, Hernandez M, Rahlfs T. Implementing a mentoring program and faculty academic productivity at the American Society of Anesthesiologists' Annual Meeting. Anesthesia and Analgesia 123(3):97-98, 2016. e-Pub 2016.
- Myers R, Ruiz JR, Jermaine CM, Frenzel JC. A Comparison of Mortality Predictors in Cancer Surgery Patients. World Congress of Anesthesiologists 2016 Annual Meeting, Hong Kong, 2016. e-Pub 2016.
- Von-Maszewski M, Botz G, Ruiz JR. Splenic Rupture after Screening Colonoscopy. American Society of Anesthesiologists Annual Scientific Meeting in San Diego, CA, 2015. e-Pub 2015.
- Hagan K, Zavala A, Ruiz J. Dexmedetomidine Sedation for Percutaneous Endoscopic Gastric Tube Placement in the Patient with a Difficult Airway. American Society of Anesthesiologists Annual Scientific Meeting in San Diego, CA, 2015. e-Pub 2015.
- Myers R, Frenzel J, Ruiz JR, Jermaine C. Correlating Surgical Vital Sign Quality with 30-Day Outcomes using Regression on Time Series Segment Features. SIAM International Conference on Data Mining 2015, At Vancouver, BC, Canada, 2015. e-Pub 2015.
- Rahlfs T, Ruiz JR, Roquemore J, Stevens C, Lange G. Using OPPE Metrics to Demonstrate Changes in a Group's Performance: A Five Year Review. American Society of Anesthesiologists: Committee on Practice Management, Dallas, Texas, 2014. e-Pub 2014.
- Williams U, Ensor J, Rebello E, Van Meter A, Ruiz J. Using Quality Control Charts to Evaluate Anesthesia Department Metrics and Measure Performance. American Society of Anesthesiologists, San Francisco, California, 2013. e-Pub 2013.
- Van Meter A, Ensor J, Lim J, Rahlfs T, Ruiz J. Leadership Emphasis Improves PONV Guideline Adherence; but Anesthetists changed from a Risk Adjusted to a Fixed Guideline Compliance for PONV Prophylaxis. American Society of Anesthesiologists Annual Meeting, San Francisco, California, 2013. e-Pub 2013.
- Rebello E, Ruiz JR, Norman P, Rahlfs TF. Speed Mentoring: A Mentee-Driven Initiative to Cultivate Ongoing Mentoring Relationships. Anesthesia & Analgesia Annual Meeting of the International-Anesthesia-Research-Society,, 2013. e-Pub 2013.
- VanMeter A, Ensor J, Lim J, Rahlfs T, Ruiz JR. Poster: Leadership Emphasis Improves PONV Guideline Adherence; but Anesthesiologists changed from a Risk Adjusted to a Fixed Guideline Compliance for PONV prophylaxis. Society of Ambulatory Anesthesia (SAMBA) 28th Annual Scientific Meeting, Scottsdale, Arizona, 2013. e-Pub 2013.
- Owusu-Agyemang P, Rebello E, Hernandez M, Arunkumar R, Gombos D, Ruiz JR. Assessment of Postoperative Vomiting in Retinoblastoma Patients and their Siblings Undergoing Eye Exams Under Anesthesia. Proceedings of the New York State Society of Anesthesiology Postgraduate Assembly in Anesthesia, New York, New York, 2011. e-Pub 2011.
- Owusu-Agyemang P, Rebello E, Hernandez M, Arunkumar R, Gombos D, Ruiz JR. Assessment of Postoperative Vomiting in Retinoblastoma Patients and Their Siblings Undergoing Eye Exams Under Anesthesia. International Society of Ocular Oncology Biennial Meeting, Buenos Aires, Argentina, 2011. e-Pub 2011.
- Rebello E, Ruiz JR, Arunkumar R. Evaluation of Postoperative Vomiting in Pediatric Patients in the Post Anesthesia Care Unit Undergoing Eye Exams Under Anesthesia. Society of Pediatric Anesthesiologist/American Academy of Pediatricians Annual Scientific Meeting, Chicago, Illinois, 2011. e-Pub 2011.
- Owusu-Agyemang PO, Gottumukkala VJ, Ruiz JR, Ting JC, Grasu R. Seizure and tachycardia after neurolytic nerve block with phenol. International Anesthesia Research Society Annual Scientific Meeting, Honolulu, Hawaii, 2010. e-Pub 2010.
- Kee SS, Ruiz R, Frenzel JC, Almon NS, Brady VJ, Busaidy NL. Additional Clinical Benefit to Hyperglycemic Performance Improvement Paradigm. Methodist Hospital's Quality 2012: Evolving Frontiers in Quality and Patient Safety Symposium, Houston, Texas, 2009. e-Pub 2009.
- Sapire KJ, Wang S, Frenzel J, Ensor J, Ruiz JR. A comparative analysis of postoperative nausea and vomiting risk factors comparing endoscopic sinus surgery and transphenoidal hypophysectomy. Proceedings of the New York State Society of Anesthesiology Postgraduate Assembly in Anesthesia, New York, New York, 2008. e-Pub 2008.
- Kee SS, Berger JS, Ensor J, Ruiz JR, Frenzel JC. Sustained performance improvement in PONV reduction using a team-based model at an ambulatory center. American Society of Anesthesiologists Annual Scientific Meeting, Orlando, Florida, 2008. e-Pub 2008.
- Frenzel JC, Sapire K, Kee SS, Owen M, Ruiz JR. Creation of a focused data application to track the incidence of PONV in a university practice. American Society of Anesthesiologists Annual Scientific Meeting, Orlando, Florida, 2008. e-Pub 2008.
- Frenzel JC, Sapire K, Shook KA, Ruiz JR, Kee SS. Adoption of digital documentation for perioperative notes in an academic practice. American Society of Anesthesiologists Annual Scientific Meeting, Orlando, Florida, 2008. e-Pub 2008.
- Frenzel JC, Kee SS, Sapire K, Shook BS, Ruiz JR. Moving away from paper - Adoption of digital documentation for perioperative notes. Society for Ambulatory Anesthesia Annual Scientific Meeting, Miami Beach, Florida, 2008. e-Pub 2008.
- Brydges G, Ruiz JR, Ensor J, Riedel B, Kwater P. Hydrocortisone does not have prophylactic antiemetric (AE) properties in female patients having breast surgery. Society for Ambulatory Anesthesia Annual Scientific Meeting, Miami Beach. Florida, 2008. e-Pub 2008.
- Frenzel JC, Gottumukkala V, Owusu-Agyemang P, Kee SS, Ruiz JR. Is previous chemotherapy a risk factor for postoperative nausea and vomiting in female patients having breast Surgery?. Society for Ambulatory Anesthesia Annual Scientific Meeting, Miami Beach, Florida, 2008. e-Pub 2008.
- Frenzel JC, Kee SS, Owen C, Ruiz JR. Creation of a Focused Data Application to Track the Incidence of PONV in a University Practice. Quality 2011: Evolving Frontiers in Quality and Patient Safety, Houston, Texas, 2008. e-Pub 2008.
- Kee, SS, Berger JS, Ruiz JR, Goravanchi F, Ensor J, Frenzel JC. Performance Improvement in Diabetic Management in an Oncological Outpatient Surgery Center. Quality 2011: Evolving Frontiers in Quality and Patient Safety, Houston, Texas, 2008. e-Pub 2008.
- Berger, JS, Kee SS, Parris RN, Ruiz JR, Goravanchi F, Frenzel JC. The Addition of Aprepitant to a Three-drug Regime Reduces the Late PONV Rate in the High Risk Patient to One with a Lower Risk. International Anesthesia Research Society's 82nd Clinical and Scientific Congress, San Francisco, California, 2008. e-Pub 2008.
- Kee S, Hopkins D, Frenzel JC, Goravanchi F, Parris R, Kowalski AM, Potylchansky E, Ruiz JR, Reece GP. Transorbital Tracheal Intubation: An Illustrated Report in an Outpatient Facility. Society for Ambulatory Anesthesia Annual Scientific Meeting, Miami Beach, Florida, 2008. e-Pub 2008.
- Ruiz JR, Selvan M, Kee SS, Brydges G, Riedel B, Frenzel JC. Optimal Prophylactic Antiemetic (pAE) Regimens Reduce PONV in the Breast Oncology Surgical Population. New York Society of Anesthesiologists Postgraduate Assembly, New York, New York, 2007. e-Pub 2007.
- Selvan M, Riedel B, Ruiz J. Predictors of Postoperative Nausea and Vomiting in the Surgical Oncology Patient Population. American Society of Anesthesiology Annual Scientific Meeting, San Francisco, California, 2007. e-Pub 2007.
- Selvan MS, Riedel B, Brydges G, Owen M, Kee S, Frenzel J, Ruiz J. Predictors of Postoperative Nausea and Vomiting Among Abdominal Surgical Oncology Patients Untreated with Prophylactic Antiemetics. 8th Annual Health Services and Outcomes Research Conference: Improving the Quality of Health Care, Houston, Texas, 2007. e-Pub 2007.
- Selvan MS, Riedel B, Brydges G, Owen M, Kee S, Frenzel J, Ruiz J. Predictors of Postoperative Nausea and Vomiting Among Surgical Oncology Patients Untreated with Prophylactic Antiemetics, Houston, TX. 60th Annual Symposium on Cancer Research, Washington, DC, 2007. e-Pub 2007.
- Ruiz JR, Selvan M, Ross MI, Riedel B. Comparative analysis of PONV risk within the Oncology Surgical Population. American Society of Anesthesiology Annual Scientific Meeting, San Francisco, California, 2007. e-Pub 2007.
- Ruiz JR, Selvan M, Riedel B, Anderson N, Golden L, Brath D, Kimball C. Adherence to American Society of Anesthesiologists Consensus Guidelines for Anti-emetic Prophylaxis Administration. 7th Annual Health Services & Outcomes Research Conference: Improving the Quality of Health Care, Kelsey Research Foundation, Houston, Texas, 2006. e-Pub 2006.
- Ruiz JR, Selvan M, Anderson N, Golden L, Brath D, Kimball C, Riedel B. Adherence to American Society of Anesthesiologists Consensus Guidelines for Anti-emetic Prophylaxis Administration. First Annual Clinical Safety & Effectiveness (CS&E) Alumni Conference. Houston, Texas, 2006. e-Pub 2006.
Book Chapters
- Brydges, N, Malbrough, LD, Lovinaria, D, Ruiz, JR. Perioperative Management of Breast Cancer Surgery. In: Oncologic Critical Care, 1-16, 2019.
Letters to the Editor
- Tsai, EH, Huang, H, Lai, E, Wang, M, Ruiz, JR. Sitting position, face-to-face rapid sequence intubation with the Airtraq™ video laryngoscope for cancer patients with higher aspiration risk. Journal of Clinical Anesthesia 106, 2025.
- Owusu-Agyemang P, Borthakur G, Rebello E, Arunkumar R, Wang S, Rytting M, Hernandez M, Ruiz J, Cata J. The Association Between Opioid Administration and Response to Therapy in Patients with Acute Lymphoblastic Leukemia. Leukemia and Lymphoma: 1-9.
- Apfel CC, Philip BK, Cakmakkaya OS, Shilling A, Shi YY, Leslie JB, Allard M, Turan A, Windle P, Odom-Forren J, Hooper VD, Radke OC, Ruiz J, Kovac A. In Reply. Anesthesiology 118: 1229-30, 2012.
- Frenzel JC, Ruiz JR, Ensor JE. In Response. Anesthesia & Analgesia 112: 738, 2011.
Patient Reviews
CV information above last modified July 22, 2026