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Results for “PARALYSIS, FAMILIAL PERIODIC”

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At least 19 recordsLinked to original sources

[Anesthesia in a case of hyperkalemic familial periodic paralysis].

Periodic familial hyperpotassemic paralysis is a dominant autosomic disease of brief periods of acute flaccid paralysis with complete posterior recovery. During surgical-anesthesia a number of factors concur which may trigger a paralytic episode. To this effect anesthetic drugs such as barbiturates and muscle relaxants have been involved. The case of a 12 year old patient with familial hyperpotassemic paralysis who received general anesthesia with propofol and atracurium besylate for emergency appendectomy is presented. During surgery the plasma levels of potassium were monitored and prophylaxis of the factors which potentially trigger a paralytic picture was performed. Both, the perioperative and the postoperative period, were without complications.

Anesthesia, General↗

A new standardized and effective method of inducing paralysis without administration of exogenous hormone in patients with familial periodic paralysis.

A prolonged glucose loading test is described. When used in five patients with familial periodic paralysis it brought them into a state of massive hypopotassaemic paralysis at the first attempt, without the use of exogenous hormone. Three normal persons were subjected to the same glucose loading without exhibiting hypopotassaemia or muscular weakness. There were no essential differences in serum glucose levels between the two groups of individuals. The efficacy of previous methods of inducing paralysis, hormonal as well as non-hormonal, is reviewed, and the advantages of this new method are pointed out.

Blood Glucose↗

Hypokalemic familial periodic paralysis: a case report.

The perioperative management of patients with hypokalemic familial periodic paralysis is well known and has been described previously. This disease does not preclude surgery as long as the surgical team is aware of the diagnosis preoperatively. We describe herein a patient with familial periodic paralysis diagnosed the first time 1 day after undergoing surgery.

Aged↗

Barium-induced skeletal muscle paralysis in the rat, and its relationship to human familial periodic paralysis.

An in vivo study of skeletal muscle paralysis induced by intravenous barium chloride has been made in curarized and non-curarized rats. The influence of potassium and calcium chlorides, propranolol, ouabain, and prior adrenalectomy on the paralysis has also been studied. Paralysis is found to be due to a direct effect on skeletal muscle, and to correlate well with the development of hypokalaemia. Possible mechanisms of action of barium are discussed, and attention is drawn to the similarity between barium poisoning and hypokalaemic familial periodic paralysis.

Adrenal Glands↗

Contribution of the Na(+)-K+ pump to membrane potential in familial periodic paralysis.

The possibility has been raised that in familial periodic paralysis, the relatively large depolarization of the muscle fiber membrane seen during periods of paralysis might be attributable to a reduction in activity of the electrogenic Na(+)-K+ pump. The theoretical analysis presented here shows that although such hypotheses are qualitatively correct, the quantitative contribution of the electrogenic pump is too small to account entirely for the changes in membrane potential observed between the paralytic and interictal states.

Cations↗

Treatment of attacks in hyperkalaemic familial periodic paralysis by inhalation of salbutamol.

In fifteen patients with hyperkalaemic familial periodic paralysis, inhalation of salbutamol alleviated hyperkaleamia and paralysis precipitated by exercise or oral administration of potassium chloride. In-vitro studies with rat soleus muscles indicated that the hypokalaemic effect of salbutamol is related to stimulation of the active coupled transport of sodium and potassium in muscle cells. Follow-up studies proved that the inhalation of salbutamol is a simple and adequate method for the treatment of the paralytic episodes in these patients.

Adolescent↗

Atracurium use in a patient with familial periodic paralysis.

We describe a patient with the hypokalemic type of familial periodic paralysis (FPP) who received atracurium for muscle relaxation as required for diagnostic laparoscopy. Electrocardiographic (EKG) T-wave changes suggestive of hypokalemia were not supported by blood determinations. Arterial blood measurements of potassium (K+), pH, and arterial carbon dioxide tension (PaCO2) and the patient's esophageal temperature were maintained within normal limits. The degree of muscle relaxation was closely monitored by a peripheral nerve stimulator and train-of-four (TOF) measurement of muscle twitch height. At the conclusion of the surgical procedure, no reversal to the muscle relaxant was needed or given. The patient regained preoperative muscle strength, and her postoperative course was uneventful.

Adult↗

[Familial periodic paralysis: study of 8 cases].

The authors studied 8 patients with Familial Periodic Paralysis on the clinical, hydroelectrolytic, electrophysiologic, histologic and therapeutic points of view. There was significant predominance in males. The onset of the symptoms in our group began under fifteen years of age. The clinical manifestations were similar to those referred in the literature. The hypokalemic form was found in all patients except in one case that had hyperkalemic form. Natremias on the superior border of the normality, were seen in 21.4% of the cases, and in 21.4% the natremias were higher; this fact suggested aldosterone liberation of the muscle. The histologic examination performed in 5 patients, was normal in 20% of them and, in those cases with repetitive and frequent crises, atrophic muscle fibers were seen. Prophylactic treatments were made. The patients with hypokalemic form received supplementary doses of potassium.

Adolescent↗