Association Between Cholecystectomy With vs Without Intraoperative Cholangiography and Risk of Common Duct Injury

Sheffield, Kristin M.; Riall, Taylor S.; Han, Yimei; Kuo, Yong Fang; Townsend, Courtney M.

doi:10.1001/jama.2013.276205

Cited by 91 publications

(74 citation statements)

References 30 publications

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“…It requires identifying variables strongly related to the exposure but unrelated to the outcome. Several studies have used instrumental variable analysis to control selection bias [27,28]. Correct estimation by using this method relies largely on the thoughtful consideration and selection of an appropriate instrumental variable(s).…”

Section: Discussionmentioning

confidence: 99%

Comparing Methods of Applying the Propensity Score to Control Selection Bias in Studies of Prostate Cancer

Fang¹,

Shahinian²,

Sheffield³

et al. 2016

JHS

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Abstract:To compare the performance of four common methods of applying propensity scores: covariate adjustment, stratification, matching, and inverse probability of treatment weighting, in addressing issues of selection bias. The linked Surveillance, Epidemiology, and End Results Medicare database was used in this study. We compared mortality of patients with localized prostate cancer, in two different scenarios. In Scenario 1, treatment effect on non-prostate cancer mortality were compared between patients with localized prostate cancer receiving active treatment (radical prostatectomy or radiation) and those only being observed. In Scenario 2, prostate cancer specific mortality was compared between localized prostate cancer patients with and without primary androgen deprivation therapy (ADT). The known confounding factors of comorbidity (Scenario 1) or tumor grade (Scenario 2) were removed to evaluate the ability of each propensity score method to control for the selection bias caused by the presence of the factors. Matching yields slightly better control than the three other methods. None of the propensity score methods can eliminate bias caused by removing a known confounder.

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Section: Discussionmentioning

confidence: 99%

Comparing Methods of Applying the Propensity Score to Control Selection Bias in Studies of Prostate Cancer

Fang¹,

Shahinian²,

Sheffield³

et al. 2016

JHS

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“…Perioperative complications, inadequate resections, and missed or recurrent stones may contribute. Technical improvements may decrease complications or allow early recognition and treatment, thus limiting the associated morbidity and improving outcomes [100,126,127]. Such approaches should lower the incidence of persistent problems, especially when combined with appropriate and prudent patient selection.…”

Section: Post-cholecystectomy Syndromementioning

confidence: 99%

Black Bile of Melancholy or Gallstones of Biliary Colics: Historical Perspectives on Cholelithiasis

Bielefeldt

2014

Dig Dis Sci

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Barely 130 years after its first description, cholecystectomies are among the most commonly performed surgeries in the USA. The success of this operation with subsequent technical improvements, such as laparoscopic approaches, caused a paradigm shift in the management of gallstone disease. However, symptoms persist in 10-40 % of successfully operated patients. Reviewing monographs, textbooks, and articles published during the last 300 years, several important factors emerge as likely contributors to limited or poor treatment responses. Early on, clinicians recognized that cholelithiasis is quite common and thus often an incidental finding, especially if patients present with vague or atypical symptoms. Consistent with these observations, patients with such atypical symptoms are less likely to benefit from cholecystectomy. Similarly, lasting improvements are more reliably seen in patients with symptoms of presumed biliary origin and documented gallstones compared to individuals without stones, an important point in view of increasing rates of surgery for biliary dyskinesia. While cholelithiasis can cause serious complications, the overall incidence of clinically relevant problems is so low that prophylactic cholecystectomy cannot be justified. This conclusion corresponds to epidemiologic data showing that the rise in elective cholecystectomies decreased hospitalizations due to gallstone disease, but was associated with a higher volume of postoperative complications, ultimately resulting in stable combined mortality due to gallstone disease and its treatment. These trends highlight the tremendous gains in managing gallstone disease, while at the same time reminding us that the tightening rather than expanding indications for cholecystectomy may improve outcomes.

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“…When detected during IOC after administering contrast agent and performing radiological imaging, cystic ducts should be dissected and cannulated. However, identification and dissection may not be possible due to inflammation and anatomical abnormalities, which may lead to BDI [15,22,25]. IOC is also associated with prolonged surgery duration, exposure to radiation, and greater equipment and personnel requirements [12].…”

Section: Introductionmentioning

confidence: 99%

Visualizing biliary tracts with isosulphan blue to prevent injury during laparoscopic cholecystectomy: a preliminary cadaveric study

Özkan

Yağmurkaya

Sahin³

et al. 2015

Surg Radiol Anat

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Association Between Cholecystectomy With vs Without Intraoperative Cholangiography and Risk of Common Duct Injury

Cited by 91 publications

References 30 publications

Comparing Methods of Applying the Propensity Score to Control Selection Bias in Studies of Prostate Cancer

Comparing Methods of Applying the Propensity Score to Control Selection Bias in Studies of Prostate Cancer

Black Bile of Melancholy or Gallstones of Biliary Colics: Historical Perspectives on Cholelithiasis

Visualizing biliary tracts with isosulphan blue to prevent injury during laparoscopic cholecystectomy: a preliminary cadaveric study

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