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Biomedical subjects

F Rehák

Publications and source records attributed to F Rehák.

At least 19 recordsLinked to original sources
PubMed1991

[Surgical aspects of treatment of esophageal achalasia].

Based on experience assembled with surgical treatment of 88 patients with achalasia of the oesophagus in 1980-1988 the authors assume that patients in the second stage of the disease where dilatation treatment produced only temporary relief lasting several weeks and all patients in the third stage of the disease are indicated for treatment. The authors prefer the abdominal approach to the cardia and distal oesophagus as the cardia has an intraabdominal localization. It is also possible to treat other intraabdominal diseases and an antireflux operation can be easily performed. Patients tolerate laparotomy better than thoracotomy. In the author's opinion myotomy extending over 8 cm is sufficient Its protraction to the dilated portion of the oesophagus is not necessary. The antireflux operation is made only when before operation gastrooesophageal reflux was present or where during operation the oesophageal mucosa is open or where mobilization in the area of the oesophageal hiatus damaged several anatomical antireflux structures. Resection of the oesophagus in the IIIrd stage of the disease is exceptional in the authors' opinion.

Esophageal Achalasia↗
PubMed1991

[Surgical treatment of pulmonary metastases].

During the period from March 31 1987 to April 30 1990 the authors operated 24 patients with pulmonary metastases. They performed 13 operations during which they removed 86 metastases, 54 of which were removed by a Nd:YAG laser, 32 by the classical technique. The results of evaluation of the group support a more active approach of the surgeon to these conditions. As far as the selected surgical technique is concerned, the authors recommend Nd:YAG lasers because of the qualitatively more favourable conditions of the performed operation.

Adolescent↗
PubMed1990

[Peroperative detection of embolizing material in the heart. The importance of peroperative transesophageal echocardiography].

During operation, 102 patients were continually monitored for heart function using transoesophageal echocardiography. Echo-contrast particles (mostly of mi-minute echo-contrast particles were also monitored through the right and left hearts. The most frequent and significant evidence was found in the right heart in the left ventricle. The authors discuss the etiolo-less frequent and less significant in abdominal operations (57%). In 27% patients undergoing chest surgery, minute echo-contrast particles were also monitored in the left ventricle. The authors discuss the etiology (fat droplets, marrow particles, thrombotic material, air) as well as the clinical significance of the monitored findings. With the exception of orthopedic patients, where even large particles were sporadically observed to pass through, these findings are of no clinical significance.

Echocardiography↗
PubMed1990

[Removal of pulmonary metastases using the Nd:YAG laser].

The authors submit a case-history on their first successful application of a Nd:YAG laser in pulmonary surgery. They operated a 17-year-old boy with metastases of a synovial sarcoma in both wings of the lungs. First the boy was operated on the left side by the classical technique, half a year later the authors used a Nd:YAG laser on the right side. By means of the laser four metastases were removed. The postoperative course was without complications. One month after operation the patient was discharged from the care of oncologists and was free of complaints. The authors compare the surgical techniques and the postoperative course of the patient. A Nd:YAG laser is a suitable supplement of the equipment of pulmonary surgeons. Since the described case the authors used the laser in same indication in another three patients.

Adolescent↗
PubMed1989

[Removal of a liver tumor using the Nd:YAG laser].

At the Third Surgical Clinic, Charles University Prague a Nd:YAG laser, manufactured locally, MEDICALAS, was used to remove a hepatic tumour with a diameter of 3 cm. The authors used a continuous mode, a wavelength of 1064 nm, a non-contact focusing terminal and output of 100 W. The patient was discharged, healed, on the 11th day after operation. The operation which had no complications was the first of its kind in Czechoslovakia.

Adult↗
PubMed1989

[Pulmonary sequestration].

In a group of 11 patients with pulmonary sequestration (7 men and 4 women) nine times lower lobectomy was performed and twice segmental resection of the basal segments of the lower lobe. Three times severe haemorrhage from the atherosclerotic degeneratively altered artery supplying the pulmonary sequester was recorded. None of the patients died. No relapse was observed. An essential part of the preoperative examination is angiography of the lungs which reveals reliably an atypical course of the artery for the pulmonary sequester.

Adult↗
PubMed1988

The effect of antimicrobial prophylaxis for thoracic noncardiac surgery: thienamycin versus cefazolin.

A comparison was made of the use of thienamycin and cefazolin in antimicrobial prophylaxis of patients undergoing major thoracic noncardiac surgery. Fever and failure or success of prophylaxis were used as criteria. Both cefazolin and thienamycin were of the same value in cases of lung resections, while thienamycin was clearly superior in resections of thoracic oesophagus.

Bacterial Infections↗
PubMed1988

Acute cricopharyngeal obstruction in dermatomyositis.

We report a case of a 44-year-old woman with dermatomyositis complicated by acute total cricopharyngeal obstruction resistant to corticosteroid therapy. This condition was successfully resolved by cricopharyngeal myotomy.

Adult↗
PubMed1986

Serum isoamylase activities during infusions of glucose and amino acids.

This investigation was undertaken to examine the influence of intravenously administered glucose and amino acids on serum isoamylase activities. Significantly decreased serum pancreatic isoamylase was observed during administration of 20% glucose and 8% amino acid solutions intravenously for 2 h as compared with physiological saline solution (P less than 0.005). A significant negative correlation was found between mean values of pancreatic isoamylase (P-isoamylase) in serum and glucose in plasma (r = 0.91, P less than 0.01). We propose that glucose may block the flux of pancreatic amylase across the basolateral membrane of the acinar cell into the blood stream. The mechanisms by which amino acids may decrease P-isoamylase activity in serum are not quite clear. Amino acid stimulated release of pancreatic glucagon which has an inhibitory effect on amylase secretion is highly probable.

Adolescent↗
PubMed1985

Barium granuloma of gastroesophageal junction causing progressive dysphagia.

The authors observed for the first time a barium granuloma of the gastroesophageal junction that led to progressive dysphagia. The patient was fully cured by a radical excision of the granuloma and by esophagofundoplasty. The most probable way of development of the granuloma is thought to be by the author the retention of barium sulphate in a peptic subcardial ulcer during the X-ray examination, which did not recognize it.

Barium Sulfate↗