Minimally invasive vaginal hysterectomy using bipolar vessel sealing: Preliminary experience with 500 cases
Bibliographic record
Abstract
The objective of our study was to evaluate surgical outcome of minimally invasive vaginal hysterectomy (MIVH), using the bipolar vessel sealing system (BVSS; BiClamp®). The design was a retrospective analysis (Canadian Task-force Classification II-3). The setting was a secondary care hospital. Records of patients who underwent vaginal hysterectomy for benign indications in our centre between November 2005 and March 2011 were reviewed. The demographic patients' data, indications for surgery, patient history with regard to previous surgery, duration of surgery, blood loss (postoperative hemoglobin drop '∆Hb'), perioperative complications, and length of inpatient stay were collected from the medical records. The intervention was vaginal hysterectomy using BVSS (BiClamp®). Results showed that the mean duration of surgery was 48.9 ± 15.3 min (95% CI, 49.2-52.5). The mean duration of hospital stay was 3.2 ± 1.2 days (95% CI, 2.8-3.2). The mean ∆Hb was 1.4 ± 1.8 g/dl. Overall, conversion to laparotomy was required in three cases (0.6%). Only one haemoperitoneum occurred (0.2%) and this is the only case who required blood transfusion. The main indication for VH was uterine prolapse in 52.0% (n = 260) of cases; uterine fibroids in 37.4% (n = 187); adenomyosis uteri in 4.2% (n = 21); cervical dysplasia in 22 patients (4.4%) and in 2% (n = 10) of patients, endometrial hyperplasia and other pathologies were the indications for VH. It was concluded that electrosurgical bipolar vessel sealing by (BiClamp®) can provide a safe and feasible alternative to sutures in vaginal hysterectomy, resulting in reduced operative time and blood loss, with acceptable surgical outcomes.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 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) | 0.000 | 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 teacher head, 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".