Skip to main content
MedVellum
QuestionsVideosPricing

MedVellum

Fellowship exam preparation across every specialty: source-verified topics, questions in every format, and videos.

Product

  • Specialties
  • Questions
  • Videos
  • Exam tools
  • Pricing

Verification & policy

  • Verified register
  • Editorial policy
  • Privacy
  • Terms

Account

  • Sign in
  • Create account
  • Dashboard
  • Account & billing

© 2026 MedVellum. For education only — not a substitute for clinical judgement.

llms.txtPsychiatry LLM catalogSitemap

Gen Surg Casessurgical-critical-care

Gen Surg Cases · surgical-critical-care

Day-2 post-laparotomy failure with basal collapse, overnight FFP and an epidural — fork, reverse, relieve and rescue

Fellowship clinical-management station on postoperative respiratory failure: five-fork differential, ARISCAT stratification, PEEP-triad ventilation discipline, SNaPP reversal, MASTER analgesia, Jaber curative NIV vs PRISM/OPERA prophylaxis negativity, TRALI donor logic and spirometry negatives.

clinical-management2 min readVerification in progress

Target exams

FRACSFRCS(Gen Surg)ABSFRCSC
On this page
Study tools

Target exams

FRACSFRCS(Gen Surg)ABSFRCSC
Prompt
A 64-year-old woman is day 2 after emergency midline laparotomy for perforated duodenal ulcer with omental patch: saturations 89 percent on 4 L, respiratory rate 28, basal crackles with pain-limited inspiration, 2 units of FFP transfused overnight, thoracic epidural running, no chest pain, calves soft. The candidate must name the failure fork, score ARISCAT-style risk, defend intraoperative ventilation and reversal, judge the epidural, split TRALI from overload, choose prophylactic vs curative pressure support, and place physiotherapy honestly.

Tasks

  1. Examine her breathing, pain, fluid balance and transfusion record, then declare the leading fork with reasons — atelectasis, aspiration, TRALI, overload, ARDS or simple hypoxaemia.[2][34]
  2. State her ARISCAT-style risk and what it changes about monitoring and rescue planning.[2]
  3. Defend or criticise her intraoperative ventilation and reversal — quote the PEEP triad and SNaPP.[5][17]
  4. Judge the epidural: keep, stop, or replace — with MASTER numbers.[23]
  5. Prescribe pressure support now: prophylactic CPAP, HFNC, or curative NIV — with PRISM, OPERA and Jaber logic — and set the escalation rule.[26][27][29]
  6. Split any transfusion contribution from overload and state the aspiration precautions for her ongoing care.[34][36]

Model management

Fork first: atelectasis with splinting until proven otherwise. Basal collapse with pain-limited inspiration on day 2 is the SNaPP phenotype — PPC-or-death 19.0 versus 21.5 percent by reversal choice, driven by atelectasis — so confirm reversal history, test the block, sit her up and treat pain before ordering scans.[17] Keep aspiration (3.7 per 10,000 under liberal fasting — rare but examined through airway planning), TRALI (distress within 6 hours of plasma — check timing and product), overload (fluid-positive examination) and ARDS (low-stretch escalation pathway) explicitly open until each is excluded.[36][34]

Risk and ventilation discipline. She carries five ARISCAT factors against a 5-percent derivation event rate with a forty-fold death gradient — high-observation care with a declared NIV and reintubation plan.[2] Her operation should have run low tidal volumes with low PEEP and no routine recruitment — PROVHILO 40 versus 39 percent with hypotension cost on high PEEP — because driving pressure (OR 1.16 per unit, sole mediator) is the instrument, not PEEP itself.[5]

Epidural stays; NIV starts; bundle replaces talisman. MASTER allows exactly one claim — respiratory failure 23 versus 30 percent with better pain — so keep the epidural for splinting relief, not survival.[23] Established failure earns NIV now (Jaber: reintubation 33.1 versus 45.5 percent), never prophylactic CPAP (PRISM: 8.1 versus 8.2 percent) or preventive HFNC (OPERA null) — with escalation to reintubation the moment NIV fails.[29][26][27] Physiotherapy and mobilisation as a bundle; no spirometry talisman; transfusion split by timing, product and examination.[34]

References9ShowHide
  1. [17]Leslie K, Darvall JN, Chan MTV, et al. Sugammadex versus neostigmine for reversal of neuromuscular blockade and postoperative pulmonary complications (SNaPP): an international, randomised, controlled, phase 4 trial. Lancet Respir Med, 2026.PMID 42263720
  2. [29]Jaber S, Lescot T, Futier E, et al. Effect of Noninvasive Ventilation on Tracheal Reintubation Among Patients With Hypoxemic Respiratory Failure Following Abdominal Surgery: A Randomized Clinical Trial. JAMA, 2016.PMID 26975890
  3. [2]Canet J, Gallart L, Gomar C, et al. Prediction of postoperative pulmonary complications in a population-based surgical cohort. Anesthesiology, 2010.PMID 21045639
  4. [5]Hemmes SN, Gama de Abreu M, Pelosi P, et al. High versus low positive end-expiratory pressure during general anaesthesia for open abdominal surgery (PROVHILO trial): a multicentre randomised controlled trial. Lancet, 2014.PMID 24894577
  5. [23]Rigg JR, Jamrozik K, Myles PS, et al. Epidural anaesthesia and analgesia and outcome of major surgery: a randomised trial. Lancet, 2002.PMID 11965272
  6. [34]Müller MC, van Stein D, Binnekade JM, et al. Low-risk transfusion-related acute lung injury donor strategies and the impact on the onset of transfusion-related acute lung injury: a meta-analysis. Transfusion, 2015.PMID 25135630
  7. [36]Marsman M, Derksen M, Veltcamp Helbach M, et al. Effect of a liberal fluid fasting policy before surgery on the incidence of aspiration: a single centre retrospective observational study. BJA Open, 2026.PMID 42421784
  8. [26]PRISM trial group. Postoperative continuous positive airway pressure to prevent pneumonia, re-intubation, and death after major abdominal surgery (PRISM): a multicentre, open-label, randomised, phase 3 trial. Lancet Respir Med, 2021.PMID 34153272
  9. [27]Futier E, Paugam-Burtz C, Godet T, et al. Effect of early postextubation high-flow nasal cannula vs conventional oxygen therapy on hypoxaemia in patients after major abdominal surgery: a French multicentre randomised controlled trial (OPERA). Intensive Care Med, 2016.PMID 27771739
PreviousDamage-control laparotomy with rising MOD scores, oliguria and a tense abdomen — trajectory, IAH and SICsurgical-critical-careNextEmergency laparotomy in an 81-year-old — delirium prediction, prevention bundle and cause-huntsurgical-critical-care