Preoperative Paravertebral Block and Chronic Pain after Breast Cancer Surgery: A Double-blind Randomized Trial.

Background: The effectiveness of paravertebral block in preventing chronic pain after breast surgery remains controversial. The primary hypothesis of this study was that paravertebral block reduces the incidence of chronic pain 3 months after breast cancer surgery.

Methods: In this prospective, multicenter, randomized, double-blind, parallel-group, placebo-controlled study, 380 women undergoing partial or complete mastectomy with or without lymph node dissection were randomized to receive preoperative paravertebral block with either 0.

[Analgesic treatment of cancer pain].

Cancer pain can be nociceptive, neuropathic or mixed. It is linked to the tumour, to the metastases and to the treatments for the disease and is managed by multimodal analgesia corresponding to the pain relief drugs of the WHO's pain ladder, antidepressants, antiepileptic drugs and local anaesthetics.

Adducted vocal cords relieved by neuromuscular blocking drug: a cause of impaired mechanical ventilation when using a laryngeal mask airway: two photographically documented cases.

Two cases of vocal cord closure, which was responsible for acute intraoperative impairment of mechanical ventilation in two patients with entropy-controlled depth of anesthesia, are reported. Administration of low-dose neuromuscular blocking drug was associated with immediate vocal cord relaxation and restoration of efficient mechanical ventilation.

Acute postoperative glaucoma after nonocular surgery remains a diagnostic challenge.

Anesthesia may acutely reveal angle-closure glaucoma. This complication is an ophthalmologic emergency. However, symptoms of acute glaucoma may be overlooked or misinterpreted in a sedated or comatose patient, and this may result in delayed treatment.