alkalosis/obesity

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Effects of early administration of acetazolamide on the duration of mechanical ventilation in patients with chronic obstructive pulmonary disease or obesity-hypoventilation syndrome with metabolic alkalosis. A randomized trial.

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Metabolic alkalosis (MA) inhibits respiratory drive and may delay weaning from mechanical ventilation (MV). MA is common in CO2-retainer patients that need MV. Acetazolamide (ACTZ) decreases serum bicarbonate concentration and stimulates respiratory drive. This study evaluated the effects of ACTZ on

Atypical presentation of cystic fibrosis--obese adolescent with hypertension and pseudo-Bartter's syndrome.

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BACKGROUND Infants with cystic fibrosis may fail to thrive despite recommended caloric intake because of electrolyte disurbances caused by salt depletion resulting in hypochloremic metabolic alkalosis or pseudo-Bartter's syndrome. In most patients reported symptoms began in infancy, but it may be an

Tetany induced by hypokalemia in the absence of alkalosis.

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A 36-year-old patient developed tetany manifested only by a positive Trousseau's sign and with a negative Chvostek's sign 8 weeks after gastric bypass surgery for obesity. The usual causes of tetany (hypocalcemia, hypomagnesemia and alkalosis) were absent. The only possible etiology found was

Postoperative hypoxemia in obese patients.

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Although obese patients represent a high risk group and reports document the occurrence of sudden unexplained deaths in the early postoperative period, no data exist to delineate the existence, extent or duration of hypoxemia in obese subjects. Twenty adults undergoing jejunoileal bypass for morbid

A Bartter-like syndrome after jejunoileal bypass for obesity.

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A case of an adult woman with a Bartter-like syndrome after jejunoileal bypass for obesity is described. Diarrhoea, hypokalaemia, high plasma renin activity, hyperaldosteronism, alkalosis, increased urinary prostaglandin E and hyperplasia of the juxtaglomerular apparatus with low or normal blood

[Jejuno-ileal bypass in the treatment of severe obesity: transverse or vertical approach?].

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The criteria applicable to the selection of the approach route in the surgical management of essential gross obesity by means of a jejunal-ileal by-pass are discussed. Median vertical and transverse incision are compared in the light of early and late hypoxaemia in the immediate postoperative

Behavior of the pulmonary circulation in the grossly obese patient. Pathogenesis of pulmonary arterial hypertension at an altitude of 2,240 meters.

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Twenty persons living at an altitude of 2,240 meters were studied in order to examine the relative roles of passive and active factors in the genesis of pulmonary arterial hypertension in obesity (overweight, 75 +/- 39 percent). Pulmonary arterial hypertension was present in 80 percent (16) of the

The Effect of Supplemental Oxygen in Obesity Hypoventilation Syndrome.

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Low flow supplemental oxygen is commonly prescribed to patients with obesity hypoventilation syndrome (OHS). However, there is a paucity of data regarding its efficacy and safety. The objective of this study was to assess the medium-term treatment efficacy of adding supplemental oxygen therapy to

Avoiding Management Errors in Patients with Obesity Hypoventilation Syndrome.

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The prevalence of obesity hypoventilation syndrome and obstructive sleep apnea are increasing rapidly in the United States in parallel with the obesity epidemic. As the pathogenesis of this chronic illness is better understood, effective evidence-based therapies are being deployed to reduce

Circulatory Failure among Hospitalizations for Heatstroke in the United States

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Background: This study aimed to assess the risk factors and the association of circulatory failure with treatments, complications, outcomes, and resource utilization in hospitalized patients for heatstroke in the United States. Methods: Hospitalized patients with a principal diagnosis

Secondary Hypertension

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Hypertension affects about 30% of adults in the United States.[1] Most cases are due to essential hypertension, i.e., hypertension without an identifiable cause. But, about 5 to 10% of cases of hypertension are due to secondary hypertension.[2] Secondary hypertension is elevated blood pressure (BP),

[Arterial blood gas analysis in acute pulmonary embolism].

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Arterial blood gases (pH, pO2, p CO2) were studied in 100 patients with documented pulmonary embolism (Group A), confirmed by pulmonary angiography (n = 51) or scintigraphy ( n = 49). The pO2 ranged from 32 to 97 mm Hg (average 60,5 +/- 13 mm Hg). Hypoxaemia was found in 97 cases and would therefore

Acetazolamide Causes Worsening Acidosis in Uncompensated COPD Exacerbations: Increased Awareness Needed for Patient Safety.

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Acetazolamide has been studied extensively in post-hypercapnic alkalosis as a tool to facilitate ventilator weaning in chronic obstructive pulmonary disease (COPD). It has also been utilized to facilitate respiratory drive in nonmechanically ventilated patients with COPD. Although this

[Diagnostic and therapeutic features of pulmonary embolism in elderly patients].

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BACKGROUND Pulmonary embolism (PE) is often underdiagnosed in the elderly for nonspecificity and atypicity of presentation. The aim of this study was to evidence, retrospectively, the clinical, instrumental and laboratory aspects in the diagnosis of elderly patients with suspected PE and to observe

Cushing's surgery: Role of the anesthesiologist.

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Cushing's syndrome is a clinical situation, caused by excessive glucocorticoid level, resulting in several features such as central obesity, supraclavicular fat, "moon face," "buffalo hump," hyperglycemia, metabolic alkalosis, hypokalemia, poor wound healing, easy bruising, hypertension, proximal

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