Laparoscopic Emergency Surgery for Diverticular Disease That Failed Medical Treatment
Bibliographic record
Abstract
BACKGROUND: Laparoscopic surgery has become the standard of treatment for elective management of diverticular disease. However, its use in the acute setting remains controversial. OBJECTIVE: The aim of this study is to compare the outcomes of laparoscopic surgery with open surgery in the acute management of complicated diverticular disease that failed initial medical treatment. SETTINGS: This is a single-center comparative retrospective cohort study. PATIENTS: Patients undergoing surgery for complicated diverticular disease after an attempt at medical treatment from 2000 to 2011 were selected. INTERVENTION: Laparoscopic versus open surgery was compared. OUTCOME MEASURES: The primary outcomes were overall 30-day morbidity and mortality. Secondary outcomes were length of stay, time to resume diet, and need for a permanent stoma. RESULTS: Forty-two patients were identified by using medical records: 24 laparoscopic surgery and 18 open surgery. Baseline demographics, ASA classification, Acute Physiology and Chronic Health Evaluation scores, Hinchey classification, and Charlson Comorbidity Index did not differ between groups. The mean operative time was 36 minutes longer (p = 0.05) and blood loss was 460 mL less (p < 0.001) for laparoscopic surgery. Two patients (8.3%) in the laparoscopic surgery group required conversion to open surgery. There was no mortality. Overall morbidity was lower favoring laparoscopic surgery (16.7% vs 55.6%; p = 0.01). Two patients in the laparoscopic surgery group experienced an anastomotic leak compared with none in the open surgery group. Mean time to resume diet (3 vs 6.5 days; p < 0.01) and length of stay (5 vs 8 days; p = 0.04) were shorter for the laparoscopic surgery group. Rate of permanent stoma at last follow-up (median, 332 days) did not differ significantly between groups. LIMITATIONS: This study is limited by selection bias. CONCLUSIONS: Compared with open surgery, laparoscopic surgery for patients in whom medical treatment for complicated diverticular disease failed is associated with favorable outcomes, including a reduced rate of morbidity and a shorter length of stay. When applied to selected patients, this approach appears to be a safe procedure with a low rate of conversion.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".