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1.
The Korean Journal of Pain ; : 125-129, 2013.
Artículo en Inglés | WPRIM | ID: wpr-31290

RESUMEN

BACKGROUND: 5-hydroxytryptamine 3 (5-HT3) receptors have been known to be associated with the modulation of nociceptive transmission. However, it is uncertain whether 5-HT3 plays a role in the antinociceptive or pronociceptive pathway for incisional pain. In this study, we evaluated the effects of palonosetron, a 5-HT3 receptor antagonist, on incisional pain in rats when administered intrathecally or intraplantarly. METHODS: An intrathecal catheter was implanted through the cisterna magna and placed in the intrathecal space of rats. An incision in the plantaris muscle of the right hind paw was done under anesthesia with sevoflurane. Withdrawal thresholds were evaluated with the von Frey filament after 2 hours. Palonosetron (0.5 and 0.1 microg intrathecally; 0.5 microg intraplantarly) was administered and the thresholds were observed for 4 hours. RESULTS: Mechanical hypersensitivity developed after the incision. Intrathecal palonosetron (0.5 microg and 0.1 microg) did not alter the paw withdrawal threshold. Intraplantar palonosetron (0.5 microg) also did not change the paw withdrawal threshold. CONCLUSIONS: Intrathecal and intraplantar palonosetron (0.5 microg) had no effect on modulating the mechanical hypersensitivity in the incisional pain model of rats.


Asunto(s)
Animales , Ratas , Anestesia , Catéteres , Cisterna Magna , Hiperalgesia , Hipersensibilidad , Isoquinolinas , Éteres Metílicos , Músculo Esquelético , Dolor Nociceptivo , Umbral del Dolor , Dolor Postoperatorio , Quinuclidinas , Ratas Sprague-Dawley , Receptores de Serotonina 5-HT3 , Serotonina
2.
The Korean Journal of Critical Care Medicine ; : 156-159, 2009.
Artículo en Coreano | WPRIM | ID: wpr-648948

RESUMEN

Arterial canuulation is generally used to monitor blood pressure and sample blood for gas analysis. Radial and dorsalis pedis arteries are commonly used for arterial cannulation. It is a simple, safe, and uncomplicated procedure, but some complications have been reported, including bleeding, hematoma, infection, pseudoaneurysm, and thromboembolism. Although thromboembolism is not common, it could be serious because it can lead to digital ischemia and necrosis. We present a case of foot necrosis following dorsalis pedis artery cannulation in a 65-year-old patient who underwent small bowel resection.


Asunto(s)
Anciano , Humanos , Aneurisma Falso , Arterias , Presión Sanguínea , Cateterismo , Pie , Hematoma , Hemorragia , Isquemia , Necrosis , Compuestos Organotiofosforados , Tromboembolia
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