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PubMed1994

[Efficacy and tolerance of Fraxiparine in the prevention of deep vein thrombosis in general surgery performed with medullar conduction anesthesia].

From 1989 to 1991, 480 patients undergoing general surgery under epidural anaesthesia were included in a multicentre, comparative, randomized, open-study designed to assess whether calcium nadroparin (Fraxiparine), one daily subcutaneous injection of 0.3 mL, i.e. 3,075 anti Xa IU per day, is more efficiency and better tolerated than a non-fragmented standard heparin (Calciparine), one subcutaneous injection of 0.2 mL t.i.d. 15,000 IU per day, for the prevention of postoperative deep vein thrombosis (DVT). The 480 patients, treated in 78 centres, were randomized in two groups (Fraxiparine, n = 241; Calciparine, n = 239). In both groups, treatment was started two hours after the end of the surgical procedure. Hernia repair and prostatic surgery accounted for 60% of operations. Thromboembolic events were detected by clinical examination performed at regular time intervals and by a systematic exam (doppler and rheoplethysmography or ultrasonogram) at the end of the treatment. Both agents demonstrated a similar efficiency. There was only one case of DVT, confirmed by phlebography in the Fraxiparine group. Tolerance was good in both groups. The proportion of patients requiring a transfusion was low (3% in each group). Hematuria was relatively frequent (33% in the Fraxiparine group and 28% in the Calciparine group), however these rates were related to prostatic and urinary incontinence surgery. This study, including a wide series of patients undergoing general surgery under epidural anaesthesia, demonstrates that efficiency and tolerance of one daily injection of Fraxiparine are similar to those of three daily injections of Calciparine. It it concluded that Fraxiparine improves of the patient's comfort and decreases the nursing work load.

Adult↗
PubMed1982

Carotid endarterectomy under regional (conductive) anesthesia.

Carotid endarterectomy is reliable in the prevention of strokes due to arteriosclerotic disease at the carotid bifurcation. This is a retrospective review of 314 carotid endarterectomies performed at the University Health Center of Pittsburgh. The objectives of the study were to determine if regional anesthesia was a safe technique for carotid endarterectomy and to determine whether the neurologic complications that occurred were embolic or ischemic in origin. In patients who were neurologically intact before operation, the perioperative mortality was 0.88% and the incidence of neurologic complications was 3.1%. This is comparable to the current literature. Observations of the awake patient suggested that half the neurologic deficits that occurred in this series were due to embolization rather than to cerebral ischemia. Further more, the incidence of non-neurologic complications under general anesthesia was 12.9%. Under regional anesthesia, the incidence of non-neurologic complications was 2.8%. The data supports carotid endarterectomy under regional block as safe and reliable method.

Anesthesia, Conduction↗