• Title/Summary/Keyword: ketamine

Search Result 182, Processing Time 0.033 seconds

A Clinical Study about Comparison of Inhalation Anesthesia and Intravenous Anesthesia in Oral and Maxillofacial Patients (구강악안면외과 환자의 전신 마취에 있어서 흡입 마취와 정맥 마취의 차이에 대한 임상적 고찰)

  • Kim, Jin;Lee, Mi-Joung;Song, Hyun-Chul
    • Journal of The Korean Dental Society of Anesthesiology
    • /
    • v.2 no.1 s.2
    • /
    • pp.15-20
    • /
    • 2002
  • Intravenous anesthesia was compared with inhalation anesthesia in 20 patients of oral and maxillofacial surgery. The patients were randomly assigned to two treatment groups so that 20 patients were injected ketamine and propofol and 20 patients were administered enflurane. The hemodynamic responses of patients and recovery profile of the two groups were compared. Intravenous anesthesia group awoke significantly faster than inhalation anesthesia after operation. Time to full recovery in intravenous anesthesia group was significantly shorter than that of inhalation anesthesia group. We conclude that intravenous anesthesia is a practical technique for oral and maxillofacial surgery patients and intravenous anesthesia may be more preferable because of the significant shortness of recovery time.

  • PDF

The Effects of Pre-emptive Administration of Ketamine and norBNI on Pain Behavior, c-Fos, and Prodynorphin Protein Expression in the Rat Spinal Cord after Formalin-induced Pain Is Modulated by the DREAM Protein

  • Long, Idris;Suppian, Rapeah;Ismail, Zalina
    • The Korean Journal of Pain
    • /
    • v.26 no.3
    • /
    • pp.255-264
    • /
    • 2013
  • Background: We investigated the effects of pre-emptive administration of ketamine and norBNI on pain behavior and the expression of DREAM, c-Fos, and prodynorphin proteins on the ipsilateral side of the rat spinal cord at 2 and 4 hours after formalin injection. Methods: Eighty-four male Sprague Dawley rats were divided into 4 major groups consisting of control rats (C) (n = 12), rats given only formalin injections (F) (n = 24), and rats treated with pre-emptive administration of either ketamine (K+F) (n = 24) or norBNI (N+F) (n = 24). The non-control groups were further divided into subgroups consisting of rats that were sacrificed at 2 and 4 hours (n = 12 for each group) after formalin injection. Pain behavior was recorded for 1 hour. After 2 and 4 hours, the rats were sacrificed and the spinal cords (L4-L5 sections) were removed for immunohistochemistry and Western blot analysis. Results: The pain behavior response was reduced in the K+F group compared to the other groups during the second phase of the formalin pain response. We detected an increase in the nuclear DREAM protein level in the K+F group at 2 and 4 hours and a transient decrease in the N+F group at 2 hours; however, it increased at 4 hours after injection. Fos-like immunoreactivity (FLI) and Prodynorphin-like immunoreactivity (PLI) neurons decreased in the K+F group but increased in the N+F group at 2 hours after injection. While FLI decreased, PLI increased in all groups at 4 hours after injection. Conclusions: We suggest that NMDA and kappa opioid receptors can modulate DREAM protein expression, which can affect pain behavior and protein transcriptional processes at 2 hours and bring about either harmful or protective effects at 4 hours after formalin injection.

Airway Obstruction and Respiratory Distress Owing to Sedation by use of Chloral Hydrate & Ketamine Before Extraction of the Mesiodens in Patient with Bronchial Asthma & Tonsillar Hyperplasia -A Case Report- (기관지 천식과 편도 증식증 환자에서 상악 정중부 과잉치 발치 전 포크랄과 케타민 투여 진정요법 시 발생된 기도폐쇄와 호흡장애 -증례 보고-)

  • Choi, Young-Su;Kang, Sang-Hoon;Kim, Moon-Key;Lee, Chun-Ui;Yoo, Jae-Ha
    • Journal of The Korean Dental Society of Anesthesiology
    • /
    • v.10 no.1
    • /
    • pp.34-44
    • /
    • 2010
  • The causes for airway obstruction include foreign body aspiration, congenital structural abnormalities of the airway, infection, etc. And the potential causes of acute respiratory distress contain many situations, like hyperventilation, vasodepressor syncope, asthma, etc. A major factor that leads to the exacerbation of respiratory disorders is undue stress, either physiologic or psychologic. Psychologic stress in dentistry is the primary factor in the exacerbation of preexisting medical problems. Adequate pretreatment medical and dental evaluation of the prospective patient can often prevent respiratory problems from developing. The dentist can modify patient management to minimize the risk of exacerbating these conditions. When dental anxiety is a major factor, the use of psychosedative procedures and other stress-reduction techniques should also be considered. This is the report of a children case of airway obstruction and respiratory distress owing to sedation complication by use of Chloral hydrate and Ketamine before extraction of the mesiodens in a patient with bronchial asthma and tonsillar hyperplasia. After these situations, the patient was consulted & referred to the department of Pediatrics and Otorhinolaryngology.

The Effect of Aquapuncture Anesthesia by Acupoint Iniection with Ketamine Hydrochloride in Dogs (개에 있어서 염산케타민 혈위주사에 의한 약침마취의 효과)

  • 김덕환;이교영;조성환;신해청;조해운;이성호;이성옥;권건오;김인봉
    • Journal of Veterinary Clinics
    • /
    • v.15 no.2
    • /
    • pp.399-403
    • /
    • 1998
  • To clarify the anesthetic effect of acupoint injection(aquapupuncture) using general anasthetics in dogs, 18 mongrel dogs were divided into control and two experimental groups(Tian-ping+Bai-hui : Tian-ping group and San-yang-luo+Gong-sun group : San -yang- lux group). Control group was intramuscularly injected with ketamine hydrochloride, 22 mg/ kg of body weight into the thigh and experimental groups were injected into each acupoint with half volume of dosage, respectively. Clinical findings(recumbency time, induction time of anesthesia, time of head lift and standing time) and changes of vital sign(temperature, heart rate and respiration rate) were investigates at pre-anesthesia, during anesthesia and poststanding, respectively. In recumbency time San-yang-luo groupui<0.05) and Tian-ping group (p<0.05) were faster than that of control, respectively and Tian-ping group was the fastest. In induction time of anesthesia San-yang-luo group was similar to that of control, however, Tian-ping group was faster than that of control(p

  • PDF

Effects of Yohimbine and Atipamezole in Dogs Anesthetized with Xylazine-Ketamine Combination on EEG (Yohimbine과 Atipamezole이 Xylazine-Ketamine 병용 마취견의 뇌파에 미치는 영향)

  • 장환수;장광호;이만기;장인호
    • Journal of Veterinary Clinics
    • /
    • v.19 no.2
    • /
    • pp.174-185
    • /
    • 2002
  • We investigated the effects of yohimbine and atipamezole in dogs anesthetized with xylazine-ketamine combination on electroencephalography (EEG) . Experiment groups were divided into three according to antagonists . Saline (1 ml) was used as an antagonist in group C, yohimbine (0.1 mg/kg) in group Y and atipamezole (50 ug/kg) in group A. Each group consisted of 5 dogs. Glycopyrrolate was injected 15 minutes prior to xylazine injection. Xylazine (1.1 mg/kg, IM) and ketamime (10 mg/kg, IV) were injected with the interval of 10 minutes. After 15 minutes, antagonists were administered intravenously. For EEG measurements, a recording electrode was positioned at Cz, which was applied to International 10-20 system. Heart rates, body temperature, respiratory rates, arterial blood pressure, $PaO_2$$PaCO_2$$PaCO_2$ at S4 in group Y was significantly decreased(p<0.05). Changes of electrolytes were not significant, except value of $Cl^-$ at S3 in group A. Mean head-up time (the time dogs showing head-up movement after antagonist injection, minutes) was $38.23^{\circ}$ae6.46 in group C, 2.54 $\pm$ 0.93 in group Y and 2.12$\pm$ 1.32 in group A. Mean sternal recumbent time (the time dogs showing sternal recumbency after antagonist injection, minutes) was 45.93$\pm$ 10.27 in group C, 11.91 $\pm$ 7.19 in group Y and 9.88$\pm$ 3.38 in group A. Mean walking time (minutes) was 53.49$\pm$ 9.21 in group C, 22.10$\pm$ 11.10 in group Y and 18.48$\pm$ 4.39 in group A. In group Y all dogs showed excitation and muscle rigidity in emergence. In group A, two dogs were also showed excitation and muscle rigidity, but were weaker than those of group Y.

Autonomic Nervous Properties of Atropine and Glycopyrrolate on Heart Rate Variability during Anesthesia with Ketamine-Xylazine in Dogs (개에서 케타민-자일라진 마취동안 심박변이도에 대한 아트로핀과 글리코피롤레이트의 자율신경적 특성)

  • Park, Woo-Young;Bae, Chun-Sik;Lee, Soo-Han;Park, Woo-Dae
    • Journal of Veterinary Clinics
    • /
    • v.26 no.3
    • /
    • pp.212-219
    • /
    • 2009
  • Anticholinergics, which are commonly given as a pre-anesthetic medication to prevent adverse effects in canine anesthesia, can cause cardiac adverse effects. To determine the effects of atropine and glycopyrrolate on the balance of sympathetic nervous tone and parasympathetic nervous tone of the heart during ketamine anesthesia in beagle dogs, heart rate variability(HRV), duration of anesthesia and behavioral changes were evaluated. There were no significant temporal domain differences between atropine and glycopyrrolate. Concerning the frequency domain component, atropine and glycopyrrolate effects were significantly lower(P<0.05) than the control saline-treated group. However, the root mean square of the interval differences between consecutive R peaks(RMSSD) and the standard deviation of Poincare plot perpendicular to the line-of-identity(SD1) in atropine were significantly decreased(P<0.05) from the baseline value, and the low frequency/high frequency ratio(LF:HF ratio) in glycopyrrolate was significantly increased from baseline value(P<0.05). The change of SD1 agreed with that of the high frequency(HF) in the frequency domain component and also with those of respiratory rate and $SpO_2-R$. Our results prove that glycopyrrolate is more suitable as a pre-anesthetic anticholinergic in ketamine anesthesia of dogs with respect to safety and duration of action.

A Case Report of Proventriculotomy for Impaction of Proventriculus in Ostrich (타조에서 전위절개술을 통한 매복의 치유예)

  • 김남수;이종일
    • Journal of Veterinary Clinics
    • /
    • v.16 no.2
    • /
    • pp.469-473
    • /
    • 1999
  • A 120 kg, 3-year-old, male ostrich (Struthio camelus) was submitted to the veterinary teaching hospital, Chonbuk national university, for chronic weight loss, anorexia, small hard fecal pellets, and lethargy. Illness was first noticed approximately 2 weeks before submission. Although the bird was able to stand, he was extremely weak and cachectic. Blood examination indicated that the bird was dehydration (PCV: 55%). Fluoroscopic and lateral abdominal radio-graphic view indicated impaction of distended proventriculus with bigger rocks than normal. Anesthesia was induced with ketamine (10 mg/kg, IV)-xylazine (1 mg/kg, IV) combination and maintained with ketamine (10 mg/kg, IV) at intervals of 8 to 15 minutes during the entire procedure. After induction of general anesthesia, the bird was positioned in dorsal recumbency. The skin was incised approximately 15cm caudal to the caudal margin of the sternum and extended 20 to 25 cm caudally. After the proventriculotomy was peformed, the impacted material that weighed 3kg contained rocks in 4 to 6cm diameter was removed. The incision of proventriculus was closed in 2 layers. Cephalothin sodium (30 mg/kg, IV, q12hrs) and dexamethazone (2 mg/kg, IM, q24hrs) was administered before and after 5 days of the operation. The bird was eating well and defecating normal feces after 3 weeks of the surgery

  • PDF