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Biomedical subjects

P Benecke

Publications and source records attributed to P Benecke.

9 recordsLinked to original sources
PubMed2006

[The medial approach for total hip replacement].

BACKGROUND: In an anatomical study we investigated the medial approach to the hip joint and developed the surgical technique for patients with hip joint replacement. MATERIAL AND METHODS: The temporary detachment of the adductor longus tendon allows a perfect exposure of the surgical site without risk of damaging important structures. RESULTS: The operation is possible with normal instruments. The blood loss is little. CONCLUSION: The abductor apparatus (gluteal muscles and fascia lata) and the superior gluteal nerve remain intact. Immediate lateral positioning is allowed after surgery. The scar is unremarkable.

Adult↗
PubMed1996

[Standardized treatment of necrotizing fasciitis].

From the file online at the department of surgery of the Medical University Lübeck, 894 patients with soft tissue infections treated between 0.1 05. 90 and 31. 12. 94 were evaluated. 21 cases (10 men, 11 women) were classified as necrotizing fasciitis (i.e. 2.2%). The mean age was 59.7 years (range 17-84 years). Frequent predisposing diseases were diabetes mellitus (n = 12) and lower extremity ischemia (n = 8) and alcoholism (n = 4). The causing injuries were of minor nature (n = 11), crural ulcers (n = 4) and abscesses caused by intramuscular injection (n = 3). In 7 cases Streptococcus pyogenes group A was responsible for the infection. Different pathogen germs were found in 14 patients. The first essential steps to treat the patient are aggressive surgical debridement and programmed daily revisions. 76 debridements were performed (3.6 per patient). Amputations were necessary in 4 cases. Intensive care treatment and the administration of antibiotics support this surgical therapy. Meshgraft transplantation (n = 18) and secondary suture (n = 11) were done when wound conditions were suitable for it. 4 patients died (19%). An increased mortality was found in patients older than 65 years (36.4%) and if operative treatment was performed more than 5 days from the beginning of symptoms (33.3%). An early diagnosis and standardized treatment lead to better results in terms of mortality and preservation of the infected limb and its function.

Adolescent↗
PubMed1995

[The importance of sonography before laparoscopic cholecystectomy].

The increasing use of minimally invasive techniques for the treatment of symptomatic cholecystitis requires exact preoperative diagnosis. The significant sonographic findings are stones in the biliary system or indirect evidence of stones, consisting in dilatation of the bile duct to more than 10 mm, as well as free mobility of the abdominal wall to exclude peri-umbilical adhesions. Amongst 100 patients who had laparoscopic cholecystectomies there were 7 with bile ducts wider than 10 mm. In two of these cases calculi could also be demonstrated. ERCP was performed on the remaining five and in 3 of these stones were seen. Peri-umbilical adhesions were seen in 6 Patients, resulting in alternative placing of the incision. The sonographic findings which are of relevance to the surgeon were analysed in these 100 cases. A standardised examination protocol is an important feature for proper patient selection.

Adolescent↗
PubMed1994

[The value of pneumo-arthro-CT in diagnosis after traumatic shoulder dislocation].

Traumatic subluxation of the shoulder in young patients may result in reluxation after further injury. 18 patients with traumatic subluxation and 22 patients with recurrent subluxation of the shoulder (after primary trauma) were examined by arthroscopy and pneumo-arthro-CT. This minimally invasive procedure showed high accuracy in the diagnosis of the typical glenoid margin and humoral head abnormalities. Nevertheless, arthroscopy cannot be abandoned for planning suitable operative treatment.

Adolescent↗
PubMed1992

[Laparoscopic laser cholecystectomy].

In an ex vivo- and an animal study a Holmium-YAG laser, a Nd:YAG laser and a CO2 laser were examined. For laparoscopic cholecystectomy the pulsed Holmium:YAG laser proved to be the best instrument. Dissecting and haemostatic effects were connected when working with a power of 4 watts. Dissected area per minute was 112 mm2, gallbladder dissection (15 cm2) can be performed in 13 min. In the animal study the cholecystectomy lasted 30 min on average when the Holmium:YAG laser was used. Bleeding was not observed, development of smoke was tolerable.

Cholecystectomy, Laparoscopic↗