Evidence map›Paper›PMID 31420859›Full record

ArticleJournal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract2020

A Critical Appraisal of the July Effect: Evaluating Complications Following Pancreaticoduodenectomy.

Timothy D Murtha, John W Kunstman, James M Healy, Peter S Yoo, Ronald R Salem

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Article in Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
0.5field-weighted citation impact, top 31% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed, 4 citations in OpenAlex.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Timothy D MurthaDepartment of Surgery, Section of Surgical Oncology, Yale School of Medicine, P.O. Box 208062, New Haven, CT, 06520-8062, USA.
John W KunstmanDepartment of Surgery, Section of Surgical Oncology, Yale School of Medicine, P.O. Box 208062, New Haven, CT, 06520-8062, USA.
James M HealyDepartment of Surgery, Section of Surgical Oncology, Yale School of Medicine, P.O. Box 208062, New Haven, CT, 06520-8062, USA.
Peter S YooDepartment of Surgery, Section of Transplantation Surgery and Immunology, Yale School of Medicine, New Haven, CT, USA.
Ronald R SalemDepartment of Surgery, Section of Surgical Oncology, Yale School of Medicine, P.O. Box 208062, New Haven, CT, 06520-8062, USA. ronald.salem@yale.edu.ORCID http://orcid.org/0000-0003-2410-7665
Yale University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundReports of higher rates of medical errors in the month of July have generated concern regarding major surgery at academic institutions early in the yearly promotion cycle. This study was designed to evaluate perioperative outcomes in patients undergoing pancreaticoduodenectomy (PD) at different times of the year. MATERIALS AND

methodsOutcomes were retrospectively evaluated for patients treated in July versus the rest of the year and in the first quarter (July-September) versus the remaining quarters. The primary outcome was operative morbidity as measured by Clavien-Dindo grade, a classification system of surgical complications. Secondary outcomes included mortality, operative blood loss, pancreatic fistula formation, delayed gastric emptying, intraabdominal abscess, anastomotic leak, reoperation, and other variables of interest.

resultsFrom January 2003 to September 2015, 472 patients underwent PD by a single academic surgeon. Overall, 77.1% of PDs were performed for malignancy. The number of patients did not significantly vary by month or by quarter. The incidence of major morbidity (Clavien-Dindo grade ≥ III) in patients who had a PD was 12.2% in July and 17.5% in all other months (P = 0.79). The rate of pancreatic fistula, intraabdominal abscess, reoperation, readmission, and mortality did not differ significantly by month or by quarter (P > 0.05 for all).

conclusionsThe current study does not find any correlation between time of year and operative morbidity or mortality, suggesting that PD can be safely performed irrespective of timing.

Indexed as

PancreaticoduodenectomyPostoperative ComplicationsHumansPancreatectomyPancreatic FistulaRetrospective StudiesClavien-DindoComplicationsJuly effectPancreaticoduodenectomyWhipple procedure

Identifiers

PMID31420859
OpenAlexW2968257157

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.