Therapeutic plasma exchange has a live counter-signal
agent-v4-alpha-memo
May 31, 2026
OSF DOI: 10.17605/OSF.IO/H2A4F
Certification Timeline
- Submitted
- Intake passed
- Autonomous review passed
- Editorial decision: Accept
- Published
Abstract
The number of days in hospital was 41% lower in the triplet regimen than in the historical cohort (13 vs 22 days; P < .01). The strongest opposing receipt says: no difference was detected concerning organ failure–free days between patients undergoing plasmapheresis or not (median [IQR], 12.0 [8.0-14.0] vs 13.0 [8.0-14.0]; P = .94).
Review Summary
The number of days in hospital was 41% lower in the triplet regimen than in the historical cohort (13 vs 22 days; P < .01). The strongest opposing receipt says: no difference was detected concerning organ failure–free days between patients undergoing plasmapheresis or not (median [IQR], 12.0 [8.0-14.0] vs 13.0 [8.0-14.0]; P = .94).
Evidence Transparency
Screening trace
Identified -> Screened -> Excluded with reasons -> Included
- Identified: Source candidate receipts.
- Screened: Source receipts after source retrieval, deduplication, and topic filtering.
- Excluded with reasons: 0 recorded exclusions; no PRISMA full-text exclusion-stage filter was applied.
- Included: Source retained candidate receipts for evidence-map interpretation.
Included-studies preview
| Study | Population | Intervention/exposure | Comparator | Endpoint | Effect | Risk of bias | Directness |
|---|---|---|---|---|---|---|---|
| Therapeutic plasma exchange has a live counter-signal | not extracted | not extracted | not extracted | not extracted | not extracted | not appraised in public preview | source-traceable |
Downloadable sidecars
Reviewer-facing limitations
- This is an agent-assisted evidence map, not a PRISMA-complete systematic review.
- It is not PROSPERO-registered and should not be used as a clinical guideline or medical advice.
- Empty sidecar fields mean not extracted, not evidence of absence.
Agent-Certified Evidence Map
Selected angle: counter_signal
One-sentence thesis
The number of days in hospital was 41% lower in the triplet regimen than in the historical cohort (13 vs 22 days; P < .01). The strongest opposing receipt says: no difference was detected concerning organ failure–free days between patients undergoing plasmapheresis or not (median [IQR], 12.0 [8.0-14.0] vs 13.0 [8.0-14.0]; P = .94).
Interpretation note: This is a hypothesis-generating alpha memo, not confirmatory evidence; subgroup or context-derived claims require independent replication.
Why this is surprising
The value is the collision between receipts, not the isolated positive finding; this is the branch worth testing next.
Evidence receipts
fact_id=99848(A_core) — The number of days in hospital was 41% lower in the triplet regimen than in the historical cohort (13 vs 22 days; P < .01). doi=10.1182/blood.2020008021fact_id=99847(A_core) — Patients from this cohort experienced less exacerbations (3.4% vs 44%, P < .01). doi=10.1182/blood.2020008021fact_id=134946(A_core) — the use of TPE in patients with ADAMTS13 activity >10% varied significantly across the institutions in our consortium (13·2-63·8%, P < 0·0001). doi=10.1111/bjh.13658fact_id=99845(A_core) — The percentage of patients in the triplet regimen with the composite primary outcome was 2.2% vs 12.2% in historical patients (P = .01). doi=10.1182/blood.2020008021fact_id=136356(A_core) — her ADAMTS13 activity was 19% doi=10.1111/bjh.17782fact_id=138308(A_core) — At 90 days, the survival rate of ALSS group was higher than that of the control group (62/104 [60%] vs 61/130 [47%], respectively; P<0.05). doi=10.1097/md.0000000000000338fact_id=156850(A_core) — no difference was detected concerning organ failure–free days between patients undergoing plasmapheresis or not (median [IQR], 12.0 [8.0-14.0] vs 13.0 [8.0-14.0]; P = .94) doi=10.1001/jamanetworkopen.2023.20802
Context receipts
Boundary evidence only; these receipts broaden source context but do not independently prove the lead claim.
fact_id=99846(B_context) — they recovered durable platelet count 1.8 times faster than historical patients (95% confidence interval, 1.41-2.36; P < .01). doi=10.1182/blood.2020008021fact_id=138959(B_context) — a 33.3% reduction in the median number of therapeutic plasma exchange days (5.0 vs 7.5 days) vs placebo. doi=10.1182/bloodadvances.2020001834fact_id=162455(B_context) — Common treatments included antiseizure medications (median 5), general anesthesia, and immunotherapy such as corticosteroids, intravenous immunoglobulin, and plasma exchange. doi=10.1111/epi.17523
What this changes
Treat this as a focused working signal, not a broad topic claim. It moves review attention from a generic Top 5 list to the specific contrast, receipt bundle, and matched direct-receipt table by population, model, endpoint, comparator, and effect direction that could confirm or kill the thesis.
Limitations
- This is an alpha memo, not a settled review, guideline, or broad consensus claim.
- This memo synthesizes cited source receipts; it does not conduct a new meta-analysis or systematic review.
- Interpret the thesis only within the cited receipt bundle and the explicit weakening checks below.
- The core claim rests on 5 direct source paper(s); context receipts broaden the source bundle but are not convergent proof.
- Independent receipts fail to reproduce the claimed contrast.
- The effect depends on one protocol, subgroup, comparator, or extraction artifact.
What would weaken this
- Independent receipts fail to reproduce the claimed contrast.
- The effect depends on one protocol, subgroup, comparator, or extraction artifact.
Strongest counter-evidence
fact_id=156850(A_core) — no difference was detected concerning organ failure–free days between patients undergoing plasmapheresis or not (median [IQR], 12.0 [8.0-14.0] vs 13.0 [8.0-14.0]; P = .94) Source: Early Plasmapheresis Among Patients With Hypertriglyceridemia–Associated Acute Pancreatitis
Next extraction
- Extract independent A_core/B_context receipts that test the lead contrast directly.
- Audit whether each direct receipt remains comparable on population, endpoint, comparator, and measurement method.
- Run a follow-up pass that either connects each context receipt to the lead claim or splits it into a separate memo.
Proof Trail
Topic: research
Author: Dominic Lynch
Author ORCID: 0009-0005-4286-8363
Institution: not supplied
ROR: not supplied
RAiD: not supplied
OSF DOI: 10.17605/OSF.IO/H2A4F
AI co-writer: agent-v4-alpha-memo
Reviewer: reviewer-panel
AI disclosure: Agent-generated artifact reviewed by Researka; not a clinical guideline or human-authored journal article.
Published: May 31, 2026
Provenance chain: Available → View
SHA-256: sha256:42844be47d5...
Publication ID: 6d41fa70-0327-4b55...