Use of Temporary Partial Intrailiac Balloon Occlusion for Decreasing Blood Loss During Open Reduction and Internal Fixation of Acetabular and Pelvis Fractures
Bibliographic record
Abstract
Patients with pelvic and/or acetabular fractures can sustain significant blood loss at the time of their injury and during surgery. We report on the technique, effect on blood loss, and complications with the use of temporary partial intrailiac balloon occlusion during open reduction and internal fixation of pelvic and acetabular fractures in a series of patients refusing allogeneic blood products for philosophical or religious reasons. An intra-arterial balloon is positioned in the common iliac artery immediately preoperatively, ipsilateral to the fracture in the interventional radiography suite. This balloon is then periodically inflated and deflated throughout the case by the anesthesiologist to mitigate operative blood loss. For anterior approaches, average blood loss was significantly less for those patients operated with temporary partial intrailiac balloon occlusion compared with those without. For posterior approaches, blood loss was not significantly different. One complication occurred in a patient who developed an arterial thrombus requiring surgical removal by the vascular surgery service at the conclusion of the orthopaedic surgery. He had no further sequelae. Although not recommended for routine use in all pelvic and acetabular fractures, we feel the use of temporary partial intrailiac balloon occlusion merits further study and may be beneficial in reducing blood loss during anterior pelvic or acetabular procedures in those patients who are opposed to allogeneic blood products and cell saver or those who cannot tolerate an anticipated massive blood loss.
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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 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 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".