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Biomedical subjects

J Engert

Publications and source records attributed to J Engert.

At least 37 records · Page 2Linked to original sources
PubMed1980

[Nerve lesions following injuries of the upper limbs in childhood (author's transl)].

A total of 93 cases of nerve lesions in the limbs in children is reported. After blunt trauma (n = 53), there was most often damage to the ulnar nerve (n = 28), especially in the area of the elbow joint, followed by the radial nerve (n = 14) and the median nerve (n = 11). Causes were primary pressure and scar compression following fractures of the elbow and forearm, where ventral re-siting and/or neurolysis were necessary in serious denervation processes. Among the cutting injuries (n = 40), the lesions in the area of the underside of the wrist severing the ulnar and median nerves, more rarely the radial nerve, are particularly mentioned. They have a good prognosis following microsurgery. Independent of their localisation, the following have a poor prognosis: all crushing injuries, multiple injuries, multilation lesions and non-visible stretching and tearing in the area of the plexus.

Arm↗
PubMed1979

[Clavicular pseudarthroses in childhood].

Pseudarthrosis of the clavicula in childhood is rare. Beside the congenital forms, especially dysplasia of the skeleton, the cause of acquired pseudarthrosis is often the complete or partial lack of immobilization and poorly performed or not indicated osteosynthesis. Basically firm osteosynthesis with small DC-plates is the therapy indicated, but because of atrophic or short fragments, great defects, or if the relevant parts of the skeleton are too short, a compromise is often necessary, especially for the sake of strength. The autologeous spongiosaplastic, corticospongio bone parts, which strengthen the osteosynthesis procedure, if involved, are basic to undisturbed healing.

Child↗
PubMed1979

Postoperative deaths in children with portal hypertension.

69 children suffering from portal hypertension have been analysed. 5 of these patients died following shunt surgery, 2 after palliative surgery and 2 died in a state of haemorrhagic shock before any treatment could be commenced. In all those patients who died following shunt surgery, thrombosis in some part of the portal vein was found at post mortem. This led to partial liver necrosis.

Child↗
PubMed1978

[Subcutaneous rupture of the long thumb extensor tendon. Etiology, clinical aspects and therapy].

Subcutaneous ruptures of the extensor pollicis longus tendon are mostly due to an earlier wrist trauma and rarely caused by a degenerative systemic disease. The tendon usually ruptures close to the distal edge of the retinaculum extensorum where it is vulnerable in various respects and in addition exposed to increased mechanical strain. Functional loss of the extensor pollicis longus greatly impairs the function of the entire hand and requires surgical therapy. Transfer of the extensor indicis tendon has proven successful in 95% and thus appears to be the most appropriate therapeutic procedure.

Humans↗
PubMed1978

[Indicis tendon transfer. technique and results (author's transl)].

We examined 38 patients out of 41 with indicis tendon transfer, performed at the Department for Hand Surgery of the University of Munich during the past eight years; the patients had suffered a subcutaneous rupture or an open traumatic separaton of the extensor pollicis longus tendon. In five cases the function fo the operated had was found deteriorated by other causes. Of the remaining 33 patients 26 showed an excellent function and five patients a good function of the operated thumb. Deficient functional results were discovered with two patients. Almost in all cases extension of the index finger was found reduced in force; none of the patients, however become aware of it. In performing the tendon anastomosis care must be taken to apply proper tensions to the tendons joined.

Adult↗
PubMed1977

Distribution of amikacin in serum, muscle, and fat in children after a single intramuscular injection.

Amikacin concentrations in serum, muscle, and fat were determined in 41 children after intramuscular administration of 7.5 mg/kg of body weight. At 1.5 h amikacin reached peak concentrations in serum (mean value, 14.9 mug/ml) as well as in muscle (2.2 mug/g) and fat (1.89 mug/g) tissue; from then on all concentrations declined. Amikacin concentrations exceeded 1 mug/g in muscle for at least 3 h and in fat for at least 4 h.

Adipose Tissue↗
PubMed1977

[Bilateral intrauterine torsion of the spermatic cord (case report) (author's transl)].

A case of bilateral intrauterine torsion of the spermatic cord is reported. The possibility of an intrauterin origin is given by observations in newborn infants. The head symptoms are scrotal swelling, flush and induration. Already a suspected torsion of the spermatic cord justifies immediate surgery as the germinative and interstitial cells are irreversibly damaged after very short time. The obstetrician is obliged to diagnose these pre- or perinatally originated torsions and to arrange immediate surgery.

Female↗