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Biomedical subjects

F Hahn

Publications and source records attributed to F Hahn.

At least 19 recordsLinked to original sources
PubMed1995

The golden egg.

Explore the source record for details and available documents.

Humans↗
PubMed1994

Central nervous system aspergillosis. Analysis of 26 patients.

The clinical presentation, risk factors, laboratory data, and neuroimaging and neuropathological findings in 26 patients with autopsy proved central nervous system (CNS) aspergillosis are reviewed. Eleven patients had hematological malignancies (8 underwent bone marrow transplantation), 8 patients underwent liver transplantation, and 3 patients had acquired immunodeficiency syndrome. Four had illnesses resulting in immunosuppression (systemic lupus erythematosus, infected aortic graft, neuroblastoma, and fulminant hepatic failure). The most common presenting clinical symptoms of CNS aspergillosis were fever and a strokelike syndrome. Risk factors for developing CNS aspergillosis included neutropenia, immunosuppressive therapy, low CD4 counts, and retransplantation. Spinal fluid findings were nondiagnostic. Computed tomograms and magnetic resonance scans of the head showed low-density lesions or hemorrhagic infarctions. Most aspergillosis cases occurred in the setting of widely disseminated disease commonly arising from the lung. Pathologically, multiple areas of necrosis throughout the brain were seen. Aspergillus invasion of blood vessel walls was seen microscopically. Amphotericin B with or without flucytosine was not effective treatment.

Adolescent↗
PubMed1994

[Dynamic tibio-fibular fixation with the Rahmanzadeh syndesmosis plate].

In 58 patients of 585 fractures of the ankle we demonstrated the disruption of the tibiofibular syndesmosis. Near to osteosynthetic repair the tibiofibular diastrasis was restored with the syndesmosis-plate by Rhamanzadeh. Postoperative treatment happened plaster-free. Complete weight bearing was achieved pain-dependend after 2 until 4 weeks. This equipment is following from the dynamical fixation of the tibiofibular syndesmosis by preserving the physiological movements between tibia and fibula. Removement of syndesmosis-plate ensued with the remaining osteosynthetical material after one year.

Adult↗
PubMed1994

[Late results of implantation of dual head prostheses in hip para-articular fractures].

In the hospital of Aalen through the years 1985 to 1993 a total of 545 patients have been treated by using a "Duokopf"-prosthesis. The average age was 82.6 years. In a retrospective study the mobility and survival rate after surgery of 109 patients, who had undergone such treatment because of a hip fracture, were found out. The survival rate one year after surgery was within the range of the survival rate of the normal population at that age: The evaluation of the mobility one year after implantation with 57% surviving patients, who are able to walk without aid is a good result. None of the patients showed a protrusio acetabuli. Although the evaluation of the presented results is limited, since, due to the high average age, the mortality rate after surgery was extreme, the Duokopf prosthesis has proved to bring up good long term results.

Aged↗
PubMed1992

Medial canthal tendon reconstruction with nasal periosteum.

Periosteum is a well-known source of tissue used in eyelid and orbital reconstruction. The periosteum medial to the medial canthal tendon, on the lateral wall and bridge of the nose, is an excellent place from which to mobilize this tissue to use as replacement medial canthal tendon. When the medial canthal tendon is lost following cancer extirpation, reconstruction can be accomplished by elevation and rotation of a nasal periosteal flap. Representative cases are presented to demonstrate the technical aspects of the procedure.

Aged↗
PubMed1988

[Concentration of metronidazole in bones].

Bone and serum concentrations of metronidazole were determined in 16 patients receiving a single dose of metronidazole before total hip replacement. The patients gave written informed consent to the procedure. Bone specimens were taken during the operation. Metronidazole was determined in serum and bone by high-performance liquid chromatography (HPLC). 30 to 85 minutes after i.v. infusion of 0.5 g metronidazole (infusion period 20 min.) concentrations in bone ranged from 3 to 25 mg/l. Metronidazole appears suitable for treatment of mixed infections of bone by anaerobes with proven sensitivity. Metronidazole should always be given in combination with another suitable antibiotic.

Aged↗