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Neuromuscular block improves operation conditions during laparoscopic surgery. In this study, a new measurement tool is assessed: the degree of abdominal distension during the time course of the neuromuscular block is measured and compared with a standardized score (surgical rating score).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| abdominal wall length | Other | Measurement of abdominal wall length during neuromuscular block with a measuring tape |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| measuring tape | Other | measurement of change in abdominal wall length [cm] during neuromuscular block with a measuring tape. |
|
| Measure | Description | Time Frame |
|---|---|---|
| change in abdominal wall length (cm) during time course of the block | Changes in abdominal wall length are measured during the time course of the neuromuscular block every 15 min. | during operation |
| Measure | Description | Time Frame |
|---|---|---|
| Change of surgical Rating scale (SRS) scores during neuromuscular block | assessment of operating conditions by means of a standardized score: surgical rating score (Martini et al. Evaluation of surgical conditions during laparoscopic surgery in patients with moderate vs. deep neuromuscular block. Br J Anaesth 2014; 112: 498-505:
The surgical rating score is assessed every 15 min together with abdominal wall length and depth of neuromuscular block |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Stefan Soltesz, MD | Kreiskrankenhaus Dormagen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kreiskrankenhaus Dormagen | Dormagen | D-51375 | Germany |
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| ID | Term |
|---|---|
| D019148 | Neuromuscular Blockade |
| ID | Term |
|---|---|
| D000760 | Anesthesia and Analgesia |
| D008919 | Investigative Techniques |
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Assessment of the quality of operation conditions by the obstretic surgeon without information with regard to the actual depth of the neuromuscular block or the drugs administrated for improvement of the block.
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| neuromuscular block | Other | Measurement of the time course of the neuromuscular block: neuromuscular transmission is measured by assessment of the post tetanic count and the train of four ratio using acceleromyography (TOF Watch SX™, Essex Pharma GmbH, Munich, Germany) at the right adductor pollicis muscle with transcutaneous Ag/AgCl electrodes (electrocardiogram electrodes; Ambu Inc., MD 21060 USA); |
|
| Surgical rating score | Other | assessment of operating conditions by means of a standardized score: surgical rating score:
|
|
| during operation |
| changes of abdominal distension or surgical Rating score (SRS) induced by additional analgesics, sedatives or neuromuscular blocking agents | If a bolus of an analgesic, sedative or neuromuscular blocking agent is required because of inadequate anesthesia during the operation, all measurements mentioned above are performed immediately after the injection of the drug in order to assess the effect of the bolus injection. | during operation |