Sensory assessment of intramuscular quadratus lumborum block at the L2 level in open inguinal hernia repair patients.
Humans
Adult
Nerve Block
/ methods
Hernia, Inguinal
/ surgery
Male
Middle Aged
Pain, Postoperative
/ prevention & control
Anesthetics, Local
/ administration & dosage
Female
Ropivacaine
/ administration & dosage
Abdominal Muscles
Young Adult
Ultrasonography, Interventional
/ methods
Herniorrhaphy
/ methods
Injections, Intramuscular
Adolescent
Pain Measurement
/ methods
Intramuscular injection
Quadratus lumborum block
Reduced sensory area
Sensory loss area
Journal
BMC anesthesiology
ISSN: 1471-2253
Titre abrégé: BMC Anesthesiol
Pays: England
ID NLM: 100968535
Informations de publication
Date de publication:
19 Oct 2024
19 Oct 2024
Historique:
received:
17
03
2024
accepted:
09
10
2024
medline:
20
10
2024
pubmed:
20
10
2024
entrez:
19
10
2024
Statut:
epublish
Résumé
The effectiveness of the quadratus lumborum block (QLB) for postoperative pain management depends on the injection pathway used. There is limited research on the block area produced by intramuscular injection of local anesthesia in the quadratus lumborum muscle. This study aimed to determine the cutaneous sensory blockade area produced by an intramuscular quadratus lumborum block (QLBi) at the L2 level. Twenty patients aged 18-60 years with ASA grade I-II and a BMI of 18-30 kg/m All 20 patients had reduced or lost cold sensation areas. The greatest extent of cold sensation reduction occurred at T7 (10%), and the least amount of cold sensation reduction occurred at L3 (10%). The block level covered T8 (20%), T9 (30%), T10 (45%), T11 (90%), T12 (95%), L1 (100%), and L2 (15%). Eighteen patients experienced areas of sensory loss, with the highest range at T11 and the lowest at L2. The duration of the blockade was 8.9 ± 3.8 h, with a maximum of 24 h and a minimum of 5 h. One patient experienced quadriceps weakness after surgery. Quadratus lumborum block of intramuscular pathway can produce effective cutaneous sensory blockade, which can be used for postoperative analgesia of indirect inguinal hernia operation, and may also be beneficial to analgesia of other lower abdominal operations. However, the best method needs further confirmation to determine specific anesthesia methods for various operations. June 2, 2018; ChiCTR1800016457.
Sections du résumé
BACKGROUND
BACKGROUND
The effectiveness of the quadratus lumborum block (QLB) for postoperative pain management depends on the injection pathway used. There is limited research on the block area produced by intramuscular injection of local anesthesia in the quadratus lumborum muscle. This study aimed to determine the cutaneous sensory blockade area produced by an intramuscular quadratus lumborum block (QLBi) at the L2 level.
METHODS
METHODS
Twenty patients aged 18-60 years with ASA grade I-II and a BMI of 18-30 kg/m
RESULTS
RESULTS
All 20 patients had reduced or lost cold sensation areas. The greatest extent of cold sensation reduction occurred at T7 (10%), and the least amount of cold sensation reduction occurred at L3 (10%). The block level covered T8 (20%), T9 (30%), T10 (45%), T11 (90%), T12 (95%), L1 (100%), and L2 (15%). Eighteen patients experienced areas of sensory loss, with the highest range at T11 and the lowest at L2. The duration of the blockade was 8.9 ± 3.8 h, with a maximum of 24 h and a minimum of 5 h. One patient experienced quadriceps weakness after surgery.
CONCLUSION
CONCLUSIONS
Quadratus lumborum block of intramuscular pathway can produce effective cutaneous sensory blockade, which can be used for postoperative analgesia of indirect inguinal hernia operation, and may also be beneficial to analgesia of other lower abdominal operations. However, the best method needs further confirmation to determine specific anesthesia methods for various operations.
CHINESE CLINICAL TRIAL REGISTRY
UNASSIGNED
June 2, 2018; ChiCTR1800016457.
Identifiants
pubmed: 39427120
doi: 10.1186/s12871-024-02763-8
pii: 10.1186/s12871-024-02763-8
doi:
Substances chimiques
Anesthetics, Local
0
Ropivacaine
7IO5LYA57N
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
377Informations de copyright
© 2024. The Author(s).
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