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Biomedical subjects

G Nador

Publications and source records attributed to G Nador.

6 recordsLinked to original sources
PubMed2006

Efficacy of single dose pegfilgrastim in enhancing the mobilization of CD34+ peripheral blood stem cells in aggressive lymphoma patients treated with cisplatin-aracytin-containing regimens.

Systematic data on the ability of pegfilgrastim to mobilize stem cells after chemotherapy are scarce. We evaluated the efficacy of a single 6 mg dose of pegfilgrastim for mobilizing peripheral blood stem cells (PBSC) in aggressive lymphoma patients. Between July 2004 and October 2005, 17 aggressive non-Hodgkin's lymphoma and 11 poor-risk Hodgkin's lymphoma were treated with cycles containing cisplatin-aracytin. At the end of chemotherapy, the patients received 6 mg of pegfilgrastim. Duration of grade 4 neutropenia, adverse events, time to neutrophil recovery, peak and harvest of CD34+ cells were recorded. Twenty-seven out of 28 patients harvested a median of 17.3 x 10(6)/CD34+ cells (range 2.5-28.9) after a median of 9 days (range 8-12 days), with a single apheresis procedure in 25 cases. All patients had grade 3-4 neutropenia, median duration 3 days. The only adverse event was mild bone pain. To date, 13 patients have been autografted with a median of 15.4 x 10(6) CD34+ pegfilgrastim-mobilized cells per kg (range 2.5-28.9) with rapid and sustained engraftment. Mobilization, harvesting and autografting of pegfilgrastim-mobilized PBC can be successfully achieved in pretreated patients with aggressive lymphoma.

Adult↗
PubMed1984

[Insulin, peptide C and glucide tolerance in chronic alcoholic hepatopathies].

Changes in blood glucose and insulin metabolism, both under basal conditions and after glucose and glucagon stimulus, were studied in 95 patients with chronic alcoholic hepatopathy. Peptide C was also determined in 19 patients. A high incidence of islet-cell insufficiency was noted. Stress is laid on the multiplicity of the pathogenetic mechanisms responsible for blood glucose and insulin changes during chronic alcoholic hepatopathy, particularly liver cell damage, hyperglucagonaemia, organic and/or functional islet-cell insufficiency, and peripheral insulin resistance. It is felt that the last two of these are of major importance, whereas liver cell damage is of secondary significance, at any rate as far as glucose and insulin turnover is concerned.

C-Peptide↗
PubMed1982

[Hypopotassemia during delirium tremens. Pathogenesis and clinical significance].

The authors have investigated the changes of kalemia and kaluria levels in 40 patients suffering from delirium tremens, and have observed during the acute stage of the illness, a swift fall of kalemia level without an increase of the kaluric excretion. The kalemic values quickly rise up again at the end of the delirium.. The authors think that an adrenergic mechanism is responsible for this quick and transient hypokalemia. The significance of this adrenergic mechanism in the alcohol withdrawal syndrome is at present widely proved.

Alcohol Withdrawal Delirium↗
PubMed1981

Increased prolactin reserve in alcoholics.

The prolactin response to oral metoclopramide (10 mg) was investigated in 53 chronic alcoholics (26 with alcoholic cirrhosis and 27 without evidence of liver disease) from two to seven days after alcohol suspension. The response appeared significantly higher in patients than in healthy controls and was not related to the presence of liver disease. This finding may depend on the deactivation of the dopaminergic activities secondary to alcohol suspension; alternatively, ethanol could have a direct action on prolactin secretion.

Adult↗
PubMedDate not supplied

Incidence of sepsis in central venous catheter-bearing patients with hematologic malignancies: preliminary results.

BACKGROUND: Indwelling central venous catheters (CVCs) are essential devices in the management of patients with hematological disorders treated with chemotherapy. However, their nature predisposes patients to unwanted complications. METHODS: CVC-related complications were retrospectively analyzed in 227 hematologic patients who were consecutively admitted to our hematology department between May 2002 and April 2004. Patients' diagnoses comprised acute myeloid leukemia (36.8%), acute lymphoid leukemia (7.3%), lymphoproliferative disorders (28.3%), multiple myeloma (19.5%), myeloproliferative syndromes (5%) and others (3.1%). The CVCs used were polyurethane three lumen 7-Fr (111 patients) for chemotherapy and 12-Fr (114 patients) for chemotherapy and peripheral blood stem cell apheresis, plus two tunneled catheters. RESULTS: The pathological events were: bacteriaemias (n=46); occlusions (n=10); exit tunnel infections (n=8); thrombosis (n=6); lung emboli (n=2). Among febrile patients the bacteriemia frequency was 20%, of which 13.6% were CVC-related (with a higher incidence in leukemia patients (p=0.027). Among the isolates, gram-positive bacteria were found in 29 cases (23 CVC-related cases), and gram-negative bacteria in 16 cases (8 CVC-related cases). Only one patient had Candida albicans sepsis. At univariate and multivariate analysis significant risk factors for infection (p<0.0001) were only the number of days/catheters and neutropenia duration. CONCLUSIONS: In our hematologic patients, the CVC complications were mainly septic, with only 10.1% of CVC-related bacteriemias, despite prolonged catheterization duration. Acute leukemia patients were at major risk for sepsis, probably due to a more severe neutropenia and prolonged catheterization duration.

Journal Article↗