Intrathecal clonidine as an adjuvant for neuraxial anaesthesia during caesarean delivery: a systematic review and meta-analysis of randomised trials.

BACKGROUND: Clonidine is used as adjuvant to local anaesthetics for spinal anaesthesia. Its potential harm and benefits have not been systematically reviewed in obstetrics, and medical regulatory authorities do not recommend its intrathecal administration. The aim of this study was to assess the safety and efficacy of intrathecal clonidine for caesarean delivery. METHODS: We conducted a systematic literature search in Medline, Embase, the Cochrane Library databases and trial registries for randomised trials assessing intrathecal clonidine as an adjuvant to local anaesthetics in patients undergoing caesarean delivery. Studies were assessed for quality, and data were extracted on study characteristics, safety and efficacy. Pooled data analysis using random-effects models was performed. Relative risk (RR) or mean difference with 95% confidence intervals (CI) were used to analyse outcomes. RESULTS: Of 201 reports screened, 12 relevant clinical trials were included. Clonidine prolonged the duration of sensory block by 128.2min (95% CI 81.7 to 174.8) and motor block by 44.7min (95% CI 8.7 to 80.7). Clonidine increased sedation, RR 3.92 (95% CI 1.17 to 13.14), but did not increase the risk of hypotension, pruritus or postoperative nausea and vomiting. Apgar scores at 1 or 5min were not influenced by the addition of intrathecal clonidine. CONCLUSION: Clonidine is an effective and safe adjuvant to local anaesthetics for spinal anaesthesia for caesarean delivery. This opens the debate as to whether intrathecal clonidine as an "off label" prescription should be reconsidered by medical regulatory authorities.

[Prospective trial comparing Airtraq and Glidescope techniques for intubation of obese patients]. / Étude prospective comparant la technique de l'Airtraq et du Glidescope lors de l'intubation chez les patients obèses.

OBJECTIVES: Videolaryngoscope techniques are more and more in use and tend to modify our approach for patients difficult to intubate. We compared two techniques, Airtraq and Glidescope with direct laryngoscopy, with special emphasis on ease of access to airway (Intubation Difficulty Score - IDS score, duration and success of intubation) and the impact on hemodynamic variables among patients with a BMI of more than 30. STUDY DESIGN: Prospective study randomised with minimisation technique. MATERIAL AND METHODS: Eighty patients have been allocated by minimisation to four groups: two groups being intubated with Airtraq, each one with a different investigator, and two with Glidescope videolaryngoscope technique. Induction of anesthesia was standardly performed with total intravenous anesthesia with remifentanil, propofol in TCI mode and rocuronium in bolus. Following parameters were recorded : intubation success based on intubation time and desaturation level, its duration, its impact on hemodynamic variables, IDS score and possible dental lesions. RESULTS: Intubation success was 100% for Glidescope and 80.6% for Airtraq (P=0.009). Airtraq allowed a better visualisation of the vocal cords (lower Cormack and Lehane score) than Glidescope. In contrast, alternative intubation techniques were significantly more often used in the Airtraq group. No difference could be detected between both systems on hemodynamic parameters. CONCLUSIONS: In obese patients, Glidescope allows intubation relatively easily without rescue techniques.

Case report: Severe laryngeal hemorrhage after withdrawal of a size 5 I-gel in elective surgery.

PURPOSE: Report a case of a patient, who benefitted from the I-gel, during an elective urological surgery and who presented severe laryngeal hemorrhage at the time of its withdrawal. CLINICAL FEATURES: A 71-year-old male patient had been admitted in the operating room for the insertion of a ureteral stent. He had a history of usual interstitial pneumonia (UIP) requiring corticosteroids and oxygen therapy and a severe obstructive sleep apnea syndrome treated with nasal continuous positive airway pressure (NCPAP). After intravenous induction of anesthesia, a size 5 I-gel (Intersurgical, Wokhingam, UK) was easily inserted in the first attempt. Anesthesia was maintained with sevoflurane. As soon as the procedure ended, the I-Gel was removed. After two minutes, the patient presented a respiratory distress and started spitting significant quantity of blood. Oropharyngeal fiberscopy was performed in emergency and highlighted active bleeding of the left aryepiglottic fold. Hemostasis was obtained by local compression. The patient was transferred to the intensive care unit. He was extubated the following day without complications. No additional procedure was necessary to stop the bleeding. CONCLUSION: Authors reported the first severe complication associated with the use of size 5 I-gel. Additional studies have to be carried out to specify the advantages and risks associated with the use of this recent material.

[Anesthetic management of a child with delta sarcoglycanopathy]. / Prise en charge anesthésique d'un enfant atteint de deltasarcoglycanopathie.

A 3-year-old boy of North African decent was seen in the anaesthetic preoperative clinic prior to a scheduled adenoidectomy. His history revealed that his older brother suffered from an unknown form of muscular dystrophy. On clinical exam, no signs of muscular dystrophy were present. However in light of the patient's family history a blood sample for CPK was taken. This was found to be elevated and a neurological consultation was obtained. The patient was diagnosed with a deltasarcoglycanopathy, a rare form of limb girdle muscular dystrophy. A non triggering anaesthetic technique was used, avoiding halogenated anaesthetics and succinylcholine. The preoperative evaluation for a child with a suspected myopathy and the implications for its anaesthetic management are reviewed in this article.

[Acute ST-elevation myocardial infarction in the elderly (>75 years). Results from a regional multicenter study]. / Infarctus du myocarde du sujet de plus de 75 ans. Données d'un registre multicentrique régional.

OBJECTIVES: This prospective multicenter study assessed the prevalence and feasibility of percutaneous coronary angioplasty (PTCA) in the acute phase of ST-elevation myocardial infarction (STEMI) in 3 nonacademic interventional cardiology centers (Alsace, France). METHODS: We studied the clinical characteristics, angiographic data, and PCTA results of all STEMI patients and analyzed the revascularization rates and adverse events during hospitalization. We compared patients at least 75 years of age and younger patients for these data and with the literature. RESULTS: Of the 1672 patients admitted for STEMI, 342 (20.45%) were at least 75 years of age. Half the patients in this high-risk subgroup were women. These patients had more co-morbidities (e.g., hypertension and diabetes mellitus) than younger patients, and more of them had three-vessel disease. Mortality rate was high in this subgroup and always higher than for comparable younger subjects, but it varied according to the initial clinical profile. Their global mortality rate was 20.47%, but it fell to 5.41% when we excluded patients with cardiogenic shock or in Killip stage ill, and those who were resuscitated. PTCA is a coronary reperfusion technique especially indicated for elderly patients with STEMI. It is an effective revascularization technique, with a reperfusion rate (exclusively TIMI III flow) reaching 93.88% in the elderly group, only slightly lower than among younger patients (97.18%). CONCLUSION: PTCA is a technique particularly indicated in the elderly in Alsace because of regional geographic and medical specificities: nearby emergency services are available to virtually the entire population of Alsace, and most interventional cardiology teams apply a strategy of exclusive primary PTCA.

[Acute STEMI in old and very old patients. The real life]. / Infarctus du myocarde du 3e et 4e âge. Une expérience de terrain.

OBJECTIVES: From a prospective multicenter registry, we evaluated in three non-academic interventional cardiologic centers (Alsace/France), the coverage and the feasibility of the percutaneous coronary angioplasty (PTCA) in the acute phase of STEMI in the elderly (patients 75-years old and more). METHODS: We studied clinical characteristics and angiographic data of patients older than 75 years, and the PTCA results: the revascularisation rates and the intrahospital events were analysed. These data were compared with those of the younger patients and confronted with the literature data. RESULTS: Of a total of 1672 patients admitted for a STEMI, 342 (20.45%) were older than 75 years. These patients represented a high-risk group with a high proportion of women (50%), and many co-morbidities (e.g.: hypertension and diabetes mellitus), and three-vessel disease was found more often than in younger patients. Mortality rate was high in this subgroup and always more severe as compared to younger subjects, but remains variable according to the initial clinical profile. The global mortality was 20.47% but fell to 5.41% if we excluded the patients with cardiogenic shock, in Killip III and after resuscitation. PTCA is a coronary reperfusion technique particularly indicated in the management of the elderly presenting a STEMI. It is an effective technique in term of revascularisation, the reperfusion success (exclusively TIMI III flow) was indeed raised in the elderly even though it is lower than in younger patients (93.88 vs 97.18%). It is a quickly accessible technique, cath-lab accessibility provided, allowing a fast reperfusion and reducing hospitalization to a minimum. The management of the elderly presenting a STEMI has to focus on reducing the preadmission delay since this subgroup of patients hesitates to call the emergency (SMUR) when presenting an acute coronary symptomatology. The shorter the delay till admittance, the better the outcome. CONCLUSION: PTCA is a technique particularly indicated in the elderly in Alsace because of regional specificities: first of all geographic (proximity of the SMUR for virtually all the population of Alsace), and secondly the medical infrastructure since the strategy of exclusive primary PTCA is granted by numerous interventional cardiologic teams. In Alsace, the proportion of elderly patients (> or = 75 years) is going to increase significantly with a parallel rise of STEMI--"a frightening perspective". We have to take into account this evolution, this reperfusion technique presenting numerous advantages and very few complications.

Amputations among diabetics in Reunion Island.

OBJECTIVES: Our study allowed us to exhaustively list up all the cases of lower limb amputation carried out in the hospitals of the island from May 1st, 2000 to April 30, 2001. METHODS: We studied the medical files of all the diabetic patients having undergone a non traumatic amputation and they all had an interview with an inquiring doctor. RESULTS: 406 amputations (including 11 traumatic ones) have been carried out over the 12 months of our study. On a total of 395 non traumatic amputations, 70% were made among diabetics and concerned 278 patients among whom 179 are type 2 diabetics. Men are more concerned than women. If the distribution of amputation levels does not differ between diabetics and non-diabetics, the former more often undergo multiple interventions. 72% of the patients have a level of primary education, 59% have difficulties reading, and most of them have a very limited knowledge on their disease and do not practise any prevention for podologic traumatism. CONCLUSION: In a region where 718 220 inhabitants live and where the rate of diabetes prevalence is high (17.7% for 30-69 years), we could be afraid for the years to come of an important increase of the prevalence and diabetes chronic complications incidence rates. Authorities have to become aware of the current risks and of increasing equipments and personnel for the prevention and the follow-up of this insidious pathology. Programmes for the prevention of podologic complications should be supported by taking into account local specificities.