Professor, Surgery, UCLA School of Medicine
Colon & Rectal Surgery
Dr. Clifford Y. Ko, MD
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Doctor Clifford Y. Ko, MD is an expert in the field of Colon & Rectal Surgery. He graduated from University of Chicago Pritzker School of Medicine. University of Chicago Pritzker School of Medicine is ranked 10/19 in Research/PrimaryCare. He has 2 awards "Fellow (FACS)" and "Super Doctor". Doctor Clifford Y. Ko, MD has written publications. He has 98 publications published with PubMed. The lastest publication is: 'Variation in Hospital Use of Postacute Care After Surgery and the Association With Care Quality.'
Publications
- Profiling Individual Surgeon Performance Using Information from a High-Quality Clinical Registry: Opportunities and Limitations.
- Patterns and Predictors of Chemotherapy Use for Resected Non-Small Cell Lung Cancer.
- Association of the 2011 ACGME Resident Duty Hour Reform with Postoperative Patient Outcomes in Surgical Specialties.
- Intracranial pressure monitoring and inpatient mortality in severe traumatic brain injury: A propensity score-matched Analysis.
- Risk of Discharge to Postacute Care: A Patient-Centered Outcome for the American College of Surgeons National Surgical Quality Improvement Program Surgical Risk Calcul...
- Extending the value of the National Surgical Quality Improvement Program claims dataset to study long-term outcomes: Rate of repeat ventral hernia repair.
- The quest for population-level Cancer recurrence data; current deficiencies and targets for improvement.
- Improved Surgical Outcomes for ACS NSQIP Hospitals Over Time: Evaluation of Hospital Cohorts With up to 8 Years of Participation.
- Comparison between clinical registry and medicare claims data on the classification of hospital quality of surgical care.
- Clinical registries and quality measurement in surgery: A systematic review.
- Underlying reasons associated with hospital readmission following surgery in the United States.
- Association of the 2011 ACGME resident duty hour reform with general surgery patient outcomes and with resident examination performance.
- A Single Institution Experience in Compliance with Universal Screening for Lynch Syndrome in ColoRectal Cancer.
- Hospital Costs by Cost Center of Inpatient Hospitalization for Medicare Patients Undergoing Major Abdominal Surgery.
- A Comparison of 2 Surgical Site Infection Monitoring Systems.
- Is There Hospital Variation in Long-Term Incisional Hernia Repair after Abdominal Surgery?
- Using Both Clinical Registry and Administrative Claims Data to Measure Risk-Adjusted Surgical Outcomes.
- Measuring Risk-Adjusted Value Using Medicare and ACS-NSQIP: Is High-Quality, Low-Cost Surgical Care Achievable Everywhere?
- Effect of Wound Classification on Risk Adjustment in American College of Surgeons NSQIP.
- The Impact of Continuous Medicaid Enrollment on Diagnosis, Treatment, and Survival in Six Surgical Cancers.
- Effect of post-discharge venous thromboembolism on hospital quality comparisons following hip and knee arthroplasty.
- A Comprehensive Evaluation of Statistical Reliability in ACS NSQIP Profiling Models.
- Association between hospital imaging use and venous thromboembolism events rates based on clinical data.
- A Case for Improving Measurement of Intraoperative Iatrogenic Injuries.
- Identification of Process Measures to Reduce Postoperative Readmission.
- Evaluation of Hospital Readmissions in Surgical Patients: Do Administrative Data Tell the Real Story?
- The importance of extreme weight percentile in postoperative morbidity in children.
- Expanding the research experience.
- Identification of modifiable factors for reducing readmission after colectomy: A national Analysis.
- The Unmet Need for a National Surgical Quality Improvement Curriculum: A Systematic Review.
- Are Procedures Codes in Claims Data a Reliable Indicator of Intraoperative Splenic Injury Compared with Clinical Registry Data?
- Preventable Readmissions to Surgical Services: Lessons Learned and Targets for Improvement.
- Comparative Effectiveness of Sphincter-Sparing Surgery Versus Abdominoperineal Resection in Rectal Cancer: Patient-Reported Outcomes in National Surgical Adjuvant Brea...
- Early discharge and readmission after coloRectal resection.
- Impact of Hepatectomy Surgical Complexity on Outcomes and Hospital Quality Rankings.
- National Assessment of Margin Status as a Quality Indicator after Pancreatic Cancer Surgery.
- Quality in-training initiative-a solution to the need for education in quality improvement: results from a survey of program directors.
- Postoperative Complications Reduce Adjuvant Chemotherapy Use in Resectable Pancreatic Cancer.
- Reply to Letter: "Ability to Prevent Death as a Sequelae of Morbidity May Be an Additional Indicator of Hospital Quality"
- An Opportunity to Improve Informed Consent and Shared Decision Making: The Role of the ACS NSQIP Surgical Risk Calculator in Oncology.
- Effect of Postoperative Complications on Adjuvant Chemotherapy Use for Stage III Colon Cancer.
- Evaluation of surveillance bias and the validity of the venous thromboembolism quality measure.
- Risk-Adjusted Hospital Outcomes for Children's Surgery.
- American College of Surgeons NSQIP: Quality In-Training Initiative Pilot Study.
- Risk Factors for Superficial vs Deep/Organ-Space Surgical Site Infections: Implications for Quality Improvement Initiatives.
- Surgical quality measurement: an evolving science.
- Reliability of Evaluating Hospital Quality by ColoRectal Surgical Site Infection Type.
- Differences in Patients, Surgical Complexity, and Outcomes After Cancer Surgery at National Cancer Institute-designated Cancer Centers Compared to Other Hospitals.
- Effect of including Cancer-specific variables on models examining short-term outcomes.
- Association Between Occurrence of a Postoperative Complication and Readmission: Implications for Quality Improvement and Cost Savings.
- Validity and Feasibility of the American College of Surgeons Colectomy Composite Outcome Quality Measure.
- Composite measures for profiling hospitals on surgical morbidity.
- American College of Surgeons National Surgical Quality Improvement Program Pediatric: A beta phase report.
- Effect of Including Cancer-Specific Variables on Risk-Adjusted Hospital Surgical Quality Comparisons.
- Hospital morbidity rankings and complication severity in vascular surgery.
- A Comparison of Clinical Registry Versus Administrative Claims Data for Reporting of 30-Day Surgical Complications.
- Linkage of a clinical surgical registry with Medicare inpatient claims data using indirect identifiers.
- Long-term neurotoxicity effects of oxaliplatin added to fluorouracil and leucovorin as adjuvant therapy for colon Cancer: results from National Surgical Adjuvant Breas...
- The appropriateness method has acceptable reliability and validity for assessing overuse and underuse of surgical procedures.
- Association between postoperative complications and reoperation for patients undergoing geriatric surgery and the effect of reoperation on mortality.
- Appropriate use of surgical procedures for patients with Cancer.
- Outcomes research in surgical oncology.
- Identification of consensus-based quality end points for coloRectal surgery.
- Appropriateness criteria to assess variations in surgical procedure use in the United States.
- Effect of histologic subtype on treatment and outcomes for esophageal Cancer in the United States.
- New developments in geriatric surgery.
- Quality improvement pilot program for vulnerable elderly surgical patients.
- First Report from the American College of Surgeons Bariatric Surgery Center Network: Laparoscopic Sleeve Gastrectomy has Morbidity and Effectiveness Positioned Between...
- Preventing unintended consequences of quality measurement.
- Preoperative predictors of weight loss following bariatric surgery: systematic review.
- Evidence-based medicine in surgery: the importance of both experimental and observational study designs.
- Use of Multimodality Neoadjuvant Therapy for Esophageal Cancer in the United States: Assessment of 987 Hospitals.
- Variation in quality of care after emergency general surgery procedures in the elderly.
- Reliability of Superficial Surgical Site Infections as a Hospital Quality Measure.
- Risk of surgery following recent myocardial infarction.
- The influence of resident involvement on surgical outcomes.
- Postdischarge Venous Thromboembolism after Cancer Surgery: Extending the Case for Extended Prophylaxis.
- Morbidity and Mortality after ColoRectal Procedures: Comparison of Data from the American College of Surgeons Case Log System and the ACS NSQIP.
- Wait times for Cancer surgery in the United States: trends and predictors of delays.
- Coronary Revascularization after Myocardial Infarction Can Reduce Risks of Noncardiac Surgery.
- Effect of trauma center status on 30-day outcomes after emergency general surgery.
- The importance of assessing both inpatient and outpatient surgical quality.
- Quality measurement in Cancer care delivery.
- The role of Surgical Champions in the American College of Surgeons National Surgical Quality Improvement Program--a national survey.
- Trends, patterns, and outcomes in the management of malignant colonic polyps in the general population of the United States.
- Physician and Practice Characteristics Influencing Tumor Board Attendance: Results From the Provider Survey of the Los Angeles Women's Health Study.
- Comparison of hospital performance in emergency versus elective general surgery operations at 198 hospitals.
- The impact of adjusting for reliability on hospital quality rankings in vascular surgery.
- Routine preventive care and cancer surveillance in long-term survivors of coloRectal cancer: results from National Surgical Adjuvant Breast and Bowel Project Protocol ...
- Improving American College of Surgeons National Surgical Quality Improvement Program risk adjustment: incorporation of a novel procedure risk score.
- Association of surgical care improvement project infection-related process measure compliance with risk-adjusted outcomes: implications for quality measurement.
- Use of sentinel lymph node biopsy for melanoma in children and adolescents.
- Positive correlation of employment and psychological well-being for veterans with major abdominal surgery.
- Overcoming challenges: life with an ostomy.
- Comparison of outcomes after laparoscopic versus open appendectomy for acute appendicitis at 222 ACS NSQIP hospitals.
- Long-term patient outcome and quality of life after liver transplantation: Analysis of 20-year survivors.
- Variation in Hospital Use of Postacute Care After Surgery and the Association With Care Quality.
Schools
U Of Chgo Div Of Bio Sci Pritzker Sch Of Med
Lahey Clin
UCLA Med Center
UCLARand Health Srvs Rsch
Procedures Preformed
- Hemorrhoidectomy or Excision of Anal Tags
Conditions Treated
- Anal and Rectal Cancer
- ColoRectal Cancer
- Hemorrhoids
Doctors Specialties
- General Surgery
Accepted Insurances
Awards
- Fellow (FACS)
- Super Doctor
Education
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UCLA Medical Center -
University of Chicago Pritzker School of Medicine
Hospital
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Ronald Reagan UCLA Medical Center -
Santa Monica-UCLA Medical Center and Orthopaedic Hospital
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