National Healthcare Quality and Disparities Report
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AHRQ Research Studies Date
Topics
- Adverse Events (4)
- Blood Clots (1)
- Cancer (11)
- (-) Cancer: Colorectal Cancer (18)
- Cardiovascular Conditions (1)
- Care Coordination (1)
- Clinician-Patient Communication (1)
- Colonoscopy (2)
- Comparative Effectiveness (1)
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- Elderly (1)
- Evidence-Based Practice (1)
- Healthcare Cost and Utilization Project (HCUP) (1)
- Heart Disease and Health (1)
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- Patient Safety (1)
- Payment (1)
- Provider: Physician (1)
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- Quality of Care (4)
- Risk (2)
- Stress (2)
- (-) Surgery (18)
- Treatments (2)
AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
Results
1 to 18 of 18 Research Studies DisplayedPopp J, Weinberg DS, Ems E
Reevaluating the evidence for intensive postoperative extracolonic surveillance for nonmetastatic colorectal cancer.
This study reevaluated the evidence for intensive postoperative extracolonic surveillance for nonmetastatic colorectal cancer. The authors looked at the FACS, GILDA, and COLOFOL trials and used a model to predict the large-sample mortality reduction expected for each trial and the implied statistical power. An investigation was done of a potential recurrence imbalance in the FACS trial. The model predicted a mortality reduction of ≤5% and power of <10% for all 3 trials. The FACS recurrence imbalance most likely led to a large relative bias (>2.5) in the hazard ratio for overall survival favoring control. After adjustment, both COLOFOL and FACS results were consistent with model predictions. A 2.6 and 3.6 month increase in life expectancy is predicted comparing intensive extracolonic surveillance-routine computed tomography scans and carcinoembryonic antigen assays with 1 computed tomography scan at 12 months or no surveillance, respectively. A larger trial that would randomize at least 200 to 300 patients is needed, but is not feasible at this time. The authors concluded recent trial results do not warrant de novo skepticism or metastasectomy nor targeted extracolonic surveillance.
AHRQ-funded; HS022998.
Citation: Popp J, Weinberg DS, Ems E .
Reevaluating the evidence for intensive postoperative extracolonic surveillance for nonmetastatic colorectal cancer.
Value Health 2022 Jan; 25(1):36-46. doi: 10.1016/j.jval.2021.07.017..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Evidence-Based Practice
Vu JV, Sheetz KH, De Roo AC
Variation in colectomy rates for benign polyp and colorectal cancer.
Removal of pre-cancerous polyps on screening colonoscopy is a mainstay of colorectal cancer (CRC) prevention. Complex polyps may require surgical removal with colectomy, an operation with a 17% morbidity and 1.5% mortality rate. Recently, advanced endoscopic techniques have allowed some patients with complex polyps to avoid the morbidity of colectomy. In this study, the investigators compared regional variation in colectomy rates for CRC versus benign polyp.
AHRQ-funded; HS000053.
Citation: Vu JV, Sheetz KH, De Roo AC .
Variation in colectomy rates for benign polyp and colorectal cancer.
Surg Endosc 2021 Feb;35(2):802-08. doi: 10.1007/s00464-020-07451-5..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Colonoscopy
Kanters AE, Vu JV, Schuman AD AE, Vu JV, Schuman AD
Completeness of operative reports for rectal cancer surgery.
This study examined the completeness of operative reports for rectal cancer surgery and whether they contain the key elements recommended by the National Accreditation Program for Rectal Cancer. Ten hospitals in Michigan submitted rectal cancer operative reports from June-December 2018. These reports were analyzed for completeness and to identify key elements in the synoptic operative template. Out of 110 reports, 31 contained all 24 elements and they all used a synoptic template. Overall, 62 reported used a synoptic template and 48 did not.
AHRQ-funded; HS000053.
Citation: Kanters AE, Vu JV, Schuman AD AE, Vu JV, Schuman AD .
Completeness of operative reports for rectal cancer surgery.
Am J Surg 2020 Jul;220(1):165-69. doi: 10.1016/j.amjsurg.2019.09.036..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Quality Improvement, Quality of Care
De Roo AC, Li Y, Abrahamse PH
Long-term functional decline after high-risk elective colorectal surgery in older adults.
This study examined the long-term risks of functional decline after elective colorectal surgery in older adults. This retrospective matched cohort study used data from the Health and Retirement Study, a nationally representative, longitudinal survey of adults >50 years of age. This survey collected data on functional status, cognition, and demographics, among other topics. The survey was linked with Medicare claims and National Death Index data from 1992 to 2012 and used patients 65 years and older. Surgery patients did experience a greater likelihood of functional decline with or without complications compared to control subjects. The older the patient, the more likelihood of a functional decline occurring after surgery.
AHRQ-funded; HS000053.
Citation: De Roo AC, Li Y, Abrahamse PH .
Long-term functional decline after high-risk elective colorectal surgery in older adults.
Dis Colon Rectum 2020 Jan;63(1):75-83. doi: 10.1097/dcr.0000000000001541..
Keywords: Elderly, Cancer: Colorectal Cancer, Cancer, Surgery, Adverse Events, Risk
Schlick CJR, Liu JY, Yang AD
Pre-operative, intra-operative, and post-operative factors associated with post-discharge venous thromboembolism following colorectal cancer resection.
Venous thromboembolism (VTE) is the most common preventable cause of 30-day post-operative mortality, with many events occurring after hospital discharge. High-level evidence supports post-discharge VTE chemoprophylaxis following abdominal/pelvic cancer resection; however, some studies support a more tailored approach. The objectives of this study were to (1) identify risk factors associated with post-discharge VTE in a large cohort of patients undergoing colorectal cancer resection and (2) develop a post-discharge VTE risk calculator.
AHRQ-funded; HS024516; HS026385.
Citation: Schlick CJR, Liu JY, Yang AD .
Pre-operative, intra-operative, and post-operative factors associated with post-discharge venous thromboembolism following colorectal cancer resection.
J Gastrointest Surg 2020 Jan;24(1):144-54. doi: 10.1007/s11605-019-04354-2..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Blood Clots, Adverse Events, Risk, Hospital Discharge
Kanters AE, Cleary RK, Obi SH
Uptake of total mesorectal excision and total mesorectal excision grading for rectal cancer: a statewide study.
Investigators sought to assess trends in total mesorectal excision performance and grading in Michigan hospitals. They found that the rates of total mesorectal excision performance and grade assignment were widely variable throughout the state of Michigan. Overall, grade assignment remained very low, suggesting an opportunity for quality improvement projects to increase total mesorectal excision performance and grading, involving both the surgeons and pathologists for effective implementation.
AHRQ-funded; HS000053.
Citation: Kanters AE, Cleary RK, Obi SH .
Uptake of total mesorectal excision and total mesorectal excision grading for rectal cancer: a statewide study.
Dis Colon Rectum 2020 Jan;63(1):53-59. doi: 10.1097/dcr.0000000000001526..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Quality Improvement, Quality of Care
Symer MM, Sedrakyan A, Yeo HL
Case sequence analysis of the robotic colorectal resection learning curve.
This study examined trends in the increasing rate of resection surgery for colorectal cancer using robots. It has a major learning curve so investigators wanted to see if complication rates went down as the technology become more common. The cohort included adults undergoing colorectal section from 2008 through 2016 from data in the New York Statewide Planning and Research Cooperative database. The number of procedures started at 76 cases in 2010 and increased to 702 cases in 2015. Findings were that major complications (myocardial infarction, pulmonary embolism, shock, and death) did not decrease but iatrogenic complications were reduced. The odds of prolonged length of stay also decreased over time.
AHRQ-funded; HS000066.
Citation: Symer MM, Sedrakyan A, Yeo HL .
Case sequence analysis of the robotic colorectal resection learning curve.
Dis Colon Rectum 2019 Sep;62(9):1071-78. doi: 10.1097/dcr.0000000000001437..
Keywords: Cancer: Colorectal Cancer, Cancer, Surgery, Education: Continuing Medical Education, Outcomes
Chapman WC, Subramanian M, Jayarajan S
First, do no harm: rethinking routine diversion in sphincter-preserving rectal cancer resection.
The authors hypothesized that routine temporary diversion is not associated with decreased rates of leak or reintervention in cancer patients at large undergoing sphincter-sparing procedures. Using HCUP data from the Florida State Inpatient Database, they found no association between diversion and anastomotic leak. However, temporary diversion was associated with increased incidence of nonelective reinterventions, readmissions, and higher costs. They recommended additional study to identify which patients would benefit most from diversion.
AHRQ-funded; HS019455.
Citation: Chapman WC, Subramanian M, Jayarajan S .
First, do no harm: rethinking routine diversion in sphincter-preserving rectal cancer resection.
J Am Coll Surg 2019 Apr;228(4):547-56.e8. doi: 10.1016/j.jamcollsurg.2018.12.012..
Keywords: Healthcare Cost and Utilization Project (HCUP), Cancer: Colorectal Cancer, Cancer, Surgery, Treatments
Lin SC, Regenbogen SE, Hollingsworth JM
Coordination of care around surgery for colon cancer: insights from national patterns of physician encounters with Medicare beneficiaries.
This study researched the coordination of care before and after surgery for colon cancer patients using data from Medicare A and B records. There were quite a number of different combinations of care providers both preoperative and postoperative. Larger urban teaching hospitals had the most combinations in all phases.
AHRQ-funded; HS024525; HS024728.
Citation: Lin SC, Regenbogen SE, Hollingsworth JM .
Coordination of care around surgery for colon cancer: insights from national patterns of physician encounters with Medicare beneficiaries.
J Oncol Pract 2019 Feb;15(2):e110-e21. doi: 10.1200/jop.18.00228..
Keywords: Cancer, Cancer: Colorectal Cancer, Care Coordination, Medicare, Surgery
Abelson JS, Chait A, Shen MJ
Coping strategies among colorectal cancer patients undergoing surgery and the role of the surgeon in mitigating distress: a qualitative study.
This study researched the role that surgeons can play in managing stress in patients undergoing colorectal cancer surgery. Patients were interviewed in-depth using open-ended questions. While patients did not believe surgeons are responsible for helping them cope, they do believe that they can play a role in managing their distress.
AHRQ-funded; HS000066.
Citation: Abelson JS, Chait A, Shen MJ .
Coping strategies among colorectal cancer patients undergoing surgery and the role of the surgeon in mitigating distress: a qualitative study.
Surgery 2019 Feb;165(2):461-68. doi: 10.1016/j.surg.2018.06.005..
Keywords: Cancer: Colorectal Cancer, Clinician-Patient Communication, Provider: Physician, Stress, Surgery
Abelson JS, Chait A, Shen MJ
Sources of distress among patients undergoing surgery for colorectal cancer: a qualitative study.
The objective of this qualitative study was to explore sources of distress among colorectal cancer patients undergoing surgery. The investigators found that patients identified sources of stress at preoperative, in-hospital recovery and postoperative stages. Sources of stress included, but were not limited to: emotional reaction to diagnosis, negative emotional reaction to having a surgery, dealing with distressing physical symptoms and complications after surgery.
AHRQ-funded; HS000066.
Citation: Abelson JS, Chait A, Shen MJ .
Sources of distress among patients undergoing surgery for colorectal cancer: a qualitative study.
J Surg Res 2018 Jun;226:140-49. doi: 10.1016/j.jss.2018.01.017..
Keywords: Adverse Events, Cancer, Cancer: Colorectal Cancer, Stress, Surgery
Mehta HB, Vargas GM, Adhikari D
Comparative effectiveness of chemotherapy vs resection of the primary tumour as the initial treatment in older patients with Stage IV colorectal cancer.
The objectives were to determine trends in the use of chemotherapy as the initial treatment and to evaluate the comparative effectiveness of initial chemotherapy vs resection of the primary tumor on survival (intention-to-treat analysis) in Stage IV colorectal cancer (CRC). Instrumental variable analysis found that, compared with resection, chemotherapy as the initial treatment offers similar or better 2-year survival in patients with Stage IV CRC.
AHRQ-funded; HS022134.
Citation: Mehta HB, Vargas GM, Adhikari D .
Comparative effectiveness of chemotherapy vs resection of the primary tumour as the initial treatment in older patients with Stage IV colorectal cancer.
Colorectal Dis 2017 Jun;19(6):O210-o18. doi: 10.1111/codi.13659.
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Keywords: Cancer: Colorectal Cancer, Treatments, Comparative Effectiveness, Patient-Centered Outcomes Research, Surgery
Kanters A, Mullard AJ, Arambula J
Colorectal cancer: quality of surgical care in Michigan.
Surgery remains the cornerstone therapy for colorectal cancer (CRC). This study assesses CRC quality measures for surgical cases in Michigan with data from 30 hospitals in the Michigan Surgical Quality Collaborative (2014-2015). Adjusted process measures showed gaps in quality of care for CRC, suggesting opportunity for regional quality improvement.
AHRQ-funded; HS000053.
Citation: Kanters A, Mullard AJ, Arambula J .
Colorectal cancer: quality of surgical care in Michigan.
Am J Surg 2017 Mar;213(3):548-52. doi: 10.1016/j.amjsurg.2016.11.038.
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Keywords: Cancer: Colorectal Cancer, Quality of Care, Outcomes, Quality Measures, Surgery
Healy MA, Grenda TR, Suwanabol PA
Colon cancer operations at high- and low-mortality hospitals.
The authors sought to evaluate causes of mortality following colon cancer operations across hospitals. They found significant variation in mortality across hospitals for colon cancer operations, reflecting a need for improved operative decision-making to enhance outcomes and quality of care.
AHRQ-funded; HS020937; HS023621; HS000053.
Citation: Healy MA, Grenda TR, Suwanabol PA .
Colon cancer operations at high- and low-mortality hospitals.
Surgery 2016 Aug;160(2):359-65. doi: 10.1016/j.surg.2016.04.035.
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Keywords: Adverse Events, Cancer: Colorectal Cancer, Mortality, Patient Safety, Surgery
Wancata LM, Banerjee M, Muenz DG
Conditional survival in advanced colorectal cancer and surgery.
The authors evaluated the impact of cancer-directed surgery on long-term survival in patients with advanced colorectal cancer (CRC). They found that five-year disease-specific conditional survival improves dramatically over time for selected patients with advanced CRC who undergo cancer-directed surgery.
AHRQ-funded; HS020937.
Citation: Wancata LM, Banerjee M, Muenz DG .
Conditional survival in advanced colorectal cancer and surgery.
J Surg Res 2016 Mar;201(1):196-201. doi: 10.1016/j.jss.2015.10.021.
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Keywords: Cancer: Colorectal Cancer, Mortality, Outcomes, Patient-Centered Outcomes Research, Surgery
Killian JT, Holcomb CN, Graham LA
Delays in surgery for patients with coronary stents placed after diagnosis of colorectal cancer.
The researchers sought to determine whether the presence of a coronary stent affected the timing of colorectal cancer resection and the postoperative outcomes. They found that the median time from diagnosis to surgery was 100 days for patients who received a stent after a colonoscopy and 42 days for patients whose stent was present at the time of the colonoscopy.
AHRQ-funded; HS013852.
Citation: Killian JT, Holcomb CN, Graham LA .
Delays in surgery for patients with coronary stents placed after diagnosis of colorectal cancer.
JAMA Surg 2016 Jan;151(1):86-8. doi: 10.1001/jamasurg.2015.3130..
Keywords: Cancer: Colorectal Cancer, Cardiovascular Conditions, Colonoscopy, Heart Disease and Health, Surgery
Abdelsattar ZM, Birkmeyer JD, Wong SL
Variation in Medicare payments for colorectal cancer surgery.
The researchers assessed the contributions of index hospitalization, physician services, readmissions, and postacute care to the overall variation in payment for colorectal cancer surgery (CRC). They concluded that Medicare spending in the first year after CRC surgery varies across hospitals even after case-mix adjustment and price standardization. Variation is largely driven by postacute care and not the index surgical hospitalization.
AHRQ-funded; HS020937; HS000053.
Citation: Abdelsattar ZM, Birkmeyer JD, Wong SL .
Variation in Medicare payments for colorectal cancer surgery.
J Oncol Pract 2015 Sep;11(5):391-5. doi: 10.1200/jop.2015.004036.
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Keywords: Cancer, Cancer: Colorectal Cancer, Payment, Medicare, Surgery
Abdelsattar ZM, Wong SL, Birkmeyer NJ
Multi-institutional assessment of sphincter preservation for rectal cancer.
This study sought to identify whether variation in sphincter preservation surgery (SPS) rates for patients with rectal cancer can be explained by patient, tumor, or treatment-related factors across hospitals. It found that SPS rates vary by hospital, even after accounting for clinical characteristics using detailed chart review.
AHRQ-funded; HS000053
Citation: Abdelsattar ZM, Wong SL, Birkmeyer NJ .
Multi-institutional assessment of sphincter preservation for rectal cancer.
Ann Surg Oncol. 2014 Dec;21(13):4075-80. doi: 10.1245/s10434-014-3882-4..
Keywords: Cancer: Colorectal Cancer, Quality of Care, Surgery