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Biomedical subjects

E Pelissier

Publications and source records attributed to E Pelissier.

At least 37 records · Page 2Linked to original sources
PubMed1986

[A safe trans-gallbladder drain].

The new transcystic drain described is provided with 3 wings which ensure that it remains in the common bile duct even after the ligature is absorbed, with a series of bosses which ensure good adherence to the skin and avoid all traction on the intraluminal end of the drain, and with a bile collection system which prevents contamination at counter-current.

Common Bile Duct↗
PubMed1986

Partial reversal of low molecular weight heparin (PK 10169) anti-Xa activity by protamine sulfate: in vitro and in vivo study during cardiac surgery with extracorporeal circulation.

Neutralization of a low molecular weight (LMW) heparin fraction by protamine sulfate was evaluated in vitro and in vivo. Anti-Xa and anti-IIa activities were measured by amidolytic and coagulation methods (activated partial thromboplastin time, APTT). Fifteen patients (4 males and 11 females) underwent surgery with extracorporeal circulation. In vitro, anti-Xa and anti-IIa activities and APTT of unfractionated heparin were neutralized with a protamine/heparin (P/H) gravimetric ratio of 1.6, 1.33 and about 2, respectively. Anti-IIa activity and APTT induced by PK 10169 were completely corrected at a P/H ratio of 1 and 2, respectively, while anti-Xa activity was incompletely neutralized at a ratio of 5. In vivo, in 9 patients who did not receive intravenous protamine sulfate, a good correlation was found between doses of PK 10169 infused, anti-IIa plasma level and blood loss. In 3 patients who were treated prophylactically with protamine, bleeding was normal or only slightly increased. In 3 patients who received protamine because of hemorrhage, mean anti-Xa and anti-IIa were 2.3 and 0.54 U before and 1.32-0.06 U after neutralization. Bleeding was stopped by a second dose of protamine in 1 patient, but blood loss was abnormal in the other patients. However, a correlation between bleeding and anti-Xa or anti-IIa activities was not clearly evident.

Adolescent↗
PubMed1986

[Anatomo-pathological factors in the prognosis of rectal cancers. A mono- and multifactorial study].

Pathological prognostic factors of rectal adenocarcinoma were studied retrospectively in 173 patients who underwent curative resection between 1970 and 1980. Analysis was mono- and multifactorial. Minimal and median follow-up were 24 and 66 months respectively. Three factors had a favorable influence on the local failure (LF) and distant metastasis (DM) risks: length of the tumor less than 2 cm; polypoid aspect; Astler-Coller's stage A. Four factors increased the LF risks: perineural invasion (LF = 57 p. 100); poorly differentiated or colloid tumors (LF = 50 p. 100); lymph node metastasis (LF: 43 p. 100); lymphatic invasion (LF = 36 p. 100). Two factors increased the DM risks: perineural invasion (DM = 43 p. 100); lymph node metastasis (DM = 37 p. 100). The multifactorial analysis showed that the risk factors were the same for LF as for DM. Perineural invasion (p less than 0.001), lymph node metastasis (p less than 0.002), level of extension of the tumor in the rectal wall (p = 0.005) were the most important factors for local recurrences. Lymph node metastasis (p less than 0.001), perineural invasion (p = 0.03) and level of extension in the wall (p = 0.05) were the most important factors for DM. These data suggest that a failure risks scale may be established and can be of help in stratifying patients in adjuvant treatment studies.

Adenocarcinoma↗
PubMed1985

[Pseudotumoral form of hepatic tuberculosis. Apropos of a case report].

Concerning one case of autonomous hepatic tuberculosis in a pseudo-tumoral aspect, the difficulties of making the diagnosis are brought to light. Liver biopsy is the best examination to clarify things, either performed under ultrasonic control or during surgery. This biopsy permits pathologic examination and culture of a liver fragment in Lowenstein medium. But in fact, only isolation of the tubercle bacillus at the liver level confirms presence of tuberculosis.

Aged↗
PubMed1982

[A new model of varicose vein stripper (author's transl)].

A new varicose vein stripper is described. It is rigid, of small caliber and can be used in both upper and lower limbs. These features make it easy to handle, particularly in young subjects undergoing early stripping. The instrument is less costly than other disposable instruments as it is metallic and can be sterilized.

Humans↗