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25- versus 29-gauge Quincke spinal needles
ISRCTN ISRCTN11431649
ClinicalTrials.gov identifier
Public title 25- versus 29-gauge Quincke spinal needles
Scientific title Comparison of 25- versus 29-gauge Quincke spinal needles for minor anorectal surgery as well as abdominal caesarean section in respect of patient satisfaction and handling
Acronym N/A
Serial number at source anaesMA2007-03
Study hypothesis It is considered, that the incidence of post-puncture dural headache is correlated with the size of the spinal needle. For reason of patients' satisfaction and to minimize complications, a 29-gauge spinal needle is suitable for this purpose, especially in pregnant patients and patients undergoing ambulatory surgery. Though, the handling of this very thin spinal needle is described as difficult and therefore denied by several anaesthesiologists.

The aim of this study is to evaluate the patients' satisfaction, the incidence of post-puncture dural headache and the handling conditions for the anaesthesiologist.

Hypothesis:
The performance of a spinal anaesthesia with 29-gauge compared to a 25-gauge Quincke needles has a lower incidence of complications in patients undergoing minor anorectal surgery and abdominal caesarean section.
Ethics approval Ethics approval received from the local medical ethics committee (Medizinische Ethik-Kommission II: Medizinische Fakultat Mannheim der Ruprecht-Karls-Universitat Heidelberg) on the 19th September 2007 (ref: 2007-236N-MA).
Study design Single centre, randomised controlled trial
Countries of recruitment Germany
Disease/condition/study domain Post-puncture dural headache
Participants - inclusion criteria 1. Patients (male/female) with minor anorectal surgery, or
2. Patients (female) for abdominal caesarean section
3. Age 18 - 80 years
4. American Society of Anaesthesiology (ASA) grade I - III
5. No contraindications for spinal anaesthesia
Participants - exclusion criteria 1. Contraindications for spinal anaesthesia
2. Allergy against local anaesthetics
Anticipated start date 01/02/2008
Anticipated end date 31/01/2009
Status of trial Completed
Patient information material
Target number of participants 600
Interventions The patients are 1:1 randomised to either a 25-gauge or a 29-gauge spinal needle. Patients receive a questionnaire to obtain information about satisfaction and occurring complications. The time for the performance of the spinal anaesthesia and problems with the handling of the spinal needle are recorded by the anaesthesiologist.
Primary outcome measure(s) Incidence of post-dural puncture headache and other complications, measured one week after anaesthesia.
Secondary outcome measure(s) Time for the performance of spinal anaesthesia and occurring complications, measured one week after anaesthesia.
Sources of funding B. Braun Melsungen AG (Germany) - provided the spinal needles
Trial website
Publications
Contact name Prof  Grietje  Beck
  Address University Clinic Mannheim
Department of Anaesthesiology and Critical Care Medicine
Theodor-Kutzer-Ufer 1-3
  City/town Mannheim
  Zip/Postcode 68167
  Country Germany
  Email grietje.beck@anaes.ma.uni-heidelberg.de
Sponsor B. Braun Melsungen AG (Germany)
  Address Carl-Braun-Strasse 1
  City/town Melsungen
  Zip/Postcode 34212
  Country Germany
  Email info@bbraun.com
  Sponsor website: http://www.bbraun.com/
Date applied 12/12/2007
Last edited 20/03/2008
Date ISRCTN assigned 20/03/2008
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