Key Points
- Use the highest‑yield diagnostic test early; do not let testing delay time‑critical therapy.
- Set objective targets (hemodynamic, neurologic, respiratory) and reassess frequently.
- Plan definitive source control or reperfusion when indicated; document follow‑up and patient education.
Algorithm
- Strong clinical suspicion based on history/exam → NPO and urgent Gyn consult.
- Obtain transvaginal ultrasound with Doppler; do not exclude torsion solely on Doppler.
- Prioritize timely laparoscopy with ovary‑sparing detorsion when viable; cystectomy if indicated.
- If non‑viable: salpingo‑oophorectomy after counseling; consider fertility implications.
- Address underlying risk factors (ovarian cysts, pregnancy); plan follow‑up and recurrence counseling.
Clinical Synopsis & Reasoning
Sudden unilateral pelvic pain with nausea/vomiting in reproductive‑age or pregnant patients suggests torsion. Obtain transvaginal ultrasound with Doppler, but do not delay gynecologic consultation; prioritize ovary‑sparing laparoscopic detorsion when viable.
Treatment Strategy & Disposition
Stabilize ABCs. Initiate guideline‑concordant first‑line therapy with precise dosing and continuous monitoring. Escalate to advanced/procedural interventions based on explicit failure criteria. Define ICU, step‑down, and ward disposition triggers; involve specialty teams early.
Epidemiology / Risk Factors
- Risk varies by comorbidity and precipitants; see citations for condition‑specific data.
Investigations
| Test | Role / Rationale | Typical Findings | Notes |
|---|---|---|---|
| Transvaginal ultrasound with Doppler | Imaging of choice | Enlarged ovary, peripheral follicles, absent/reduced flow | Normal Doppler does not exclude torsion |
| Pregnancy test | Etiologic/management implications | Positive in pregnancy | Guide surgical planning |
| CBC/BMP | Pre‑op assessment | Often normal | Rule out differentials |
Pharmacology
| Medication/Intervention | Mechanism | Onset | Role in Therapy | Limitations |
|---|---|---|---|---|
| Analgesia (opioid‑sparing) | Multimodal | Immediate | Pain control pre‑op | Avoid delay of OR |
| Antiemetics (ondansetron) | 5‑HT3 antagonist | Minutes | Symptom control | QT considerations |
| Antibiotics (if necrosis suspected) | Broad‑spectrum | Hours | Prophylaxis if ischemic tissue/necrosis | Per OR findings |
Prognosis / Complications
- Outcome depends on timeliness of diagnosis and definitive therapy; monitor for complications.
Patient Education / Counseling
- Provide red‑flag education, adherence guidance, and explicit return precautions; arrange timely specialty follow‑up.
References
- ACOG Committee Opinion No. 783: Adnexal Torsion in Adolescents (2019) — Link
- Obstet Gynecol full text (2019) — Link
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