Beware of “curare cleft” like changes during unilateral capnothorax

Capnography is a standard monitoring tool during general anaesthesia. Diaphragmatic movement with the weaning of muscle relaxant effect produces the characteristic “curare cleft” on capnography. Various artefacts can mimick this trace intraoperatively. Cautious interpretation and identification of t...

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Bibliographic Details
Published in:Journal of clinical monitoring and computing 2014-06, Vol.28 (3), p.315-318
Main Authors: Singh, Manila, Chaudhary, Kapil, Uppal, Rajeev, Jain, Sachin
Format: Article
Language:English
Subjects:
Aged
Anesthesiology
Artefacts
Brief Report
Capnography
Capnography - methods
Critical Care Medicine
Curare
Diagnosis, Differential
Diagnostic Errors - prevention & control
Diaphragm - drug effects
Esophagectomy - adverse effects
Esophagectomy - methods
Health Sciences
Humans
Intensive
Male
Medicine
Medicine & Public Health
Monitoring
Monitoring, Intraoperative - methods
Muscle relaxants
Neuromuscular Agents - administration & dosage
Neuromuscular Agents - adverse effects
Patients
Respiration Disorders - diagnosis
Respiration Disorders - etiology
Statistics for Life Sciences
Tubes
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Description
Summary:Capnography is a standard monitoring tool during general anaesthesia. Diaphragmatic movement with the weaning of muscle relaxant effect produces the characteristic “curare cleft” on capnography. Various artefacts can mimick this trace intraoperatively. Cautious interpretation and identification of these is essential to avoid any undue overdosing of the patients with muscle relaxants. We report “curare cleft” like artefact during ventilation with a single lumen tube in a patient with unilateral capnothorax undergoing minimally invasive esophagectomy.
ISSN:1387-1307
1573-2614
DOI:10.1007/s10877-013-9519-5