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Biomedical subjects

H Tannenbaum

Publications and source records attributed to H Tannenbaum.

At least 19 recordsLinked to original sources
PubMed1992

[Follow-up of spondylodiscitis following intervertebral disk operation--on the etiology, therapy and prevention].

Operations on lumbar disc prolapses are the most frequent operations in German neurosurgery divisions. After such operations, spondylodiscitis is a dreaded complication which is sometimes difficult to diagnose. Treatment of spondylodiscitis is always protracted and a burden for doctors and patients. Hence, it appears worthwhile to present a further report on discitis and spondylodiscitis, infections of the intervertebral space and the surrounding tissues after disk operations. Various clinical pictures are described: septic progress forms with neurological disorders and the necessity of open wound treatment as well as clinical pictures without septic signs with good recovery after immobilisation and antibiotic treatment. In two cases, CT-guided puncture of purulent suppuration with identification of the causative organisms and specific antibiotic treatment was possible. All patients had a relatively good result: pareses and/or bladder/rectal disorders disappeared completely in every case. The causes of discitis are discussed. The condition arises when nosocomial microorganisms, or very frequently even harmless skin bacteria, enter the wound. A large number of operations are carried out under pressure of time and under hectic conditions, as well as in a confined space in operation theatres which are too warm; these factors increase the susceptibility to infection. However, the resistance of the patient to infection is also weakened after longterm prior antiinflammatory treatment and a stay in hospital before the operation. Besides appropria to treatment of the infection (immobilisation, wound treatment, antibiotic therapy), psychological management of the patient is an important component of therapy.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1992

Efficacy and tolerability of enteric-coated naproxen in the treatment of osteoarthritis and rheumatoid arthritis: a double-blind comparison with standard naproxen followed by an open-label trial.

One hundred and twenty-three patients with osteoarthritis (n = 50) or rheumatoid arthritis (n = 73) were enrolled in a 6-week, double-blind, randomized, controlled, parallel trial comparing enteric-coated naproxen with standard naproxen. Ninety-eight patients subsequently entered a 20-week, open-label trial of enteric-coated naproxen. The study demonstrated that naproxen in both its standard formulation and its new enteric-coated formulation is a highly effective form of therapy for osteoarthritis and rheumatoid arthritis. The tolerability profiles of the two formulations were similar in terms of the types of complaints reported. It is concluded that enteric-coated naproxen is an efficacious and well-tolerated formulation for the treatment of osteoarthritis and rheumatoid arthritis.

Adult↗
PubMed1992

A comparison of tenoxicam and piroxicam in the treatment of rheumatoid arthritis.

Tenoxicam 20 mg OD was compared with piroxicam 20 mg OD for patients with rheumatoid arthritis (RA). One hundred and two patients from 5 centers were enrolled: 51 in the tenoxicam group and 51 in the piroxicam group. Evaluation of the primary efficacy variables demonstrated no difference in efficacy between treatment groups. The overall incidence of adverse clinical/laboratory experiences was similar between treatment groups. Six patients discontinued the study because of gastrointestinal intolerance, 3 from each treatment group. Our study demonstrates that tenoxicam 20 mg OD and piroxicam 20 mg OD have similar efficacy and safety in patients with active RA.

Adult↗
PubMed1991

[Value of MRT for therapy of para-sellar tumors].

When planning treatment of tumours in the sella region it is of the utmost importance to obtain precise information about the localization, spread, and (if possible) the type of alteration. Aside from the classic radiographic methods of native diagnosis, angiography, and CT, MRI has been available for some years now. This is a method whereby images can be gained from the various stages of an energetic reaction in the biological substrate: tomograms are possible for any desired plane--those routinely needed for cerebral diagnosis from the horizontal, coronary, and sagittal planes and, given a further improvement of this technology, from special oblique planes which can be matched to the direction of a probable surgical approach. A number of examples demonstrate the significance of this new method, which is a valuable addition to the procedures used up to now: indeed, in some cases it is superior to them. It has been shown that most of the neighbouring structures which border on or have been pushed aside by the tumour in the sella region (blood vessels, brain, optic chiasma, subarachnoid spaces, and occasionally even bone structures) can be identified better than with the procedures used up to now. MRI has thus proved to be valuable, and occasionally indispensable, for the correct choice when considering the many therapeutic methods available for tumours in the sella region.

Adenoma↗
PubMed1979

Hairy-cell leukaemia with polyarteritis nodosa.

In four patients a systemic vasculitis similar to polyarteritis nodosa developed within 2 years of the onset of hairy-cell leukaemia. Arteriographic studies in two patients revealed microaneurysms, and biopsy specimens in three patients revealed a vasculitis affecting medium-sized vessels. Blood neutrophilia and neutrophilic vascular infiltrate were absent. One patient had circulating immune complexes. Two patients responded to corticosteroids alone, one required cyclophosphamide as well as steroids, and one improved without chemotherapy. The association of vasculitis with hairy-cell leukaemia may provide insight into the pathogenesis of arteritis.

Adult↗
PubMed1977

Immunologic abnormalities in patients with malignant lymphoproliferative diseases.

The B- and T-lymphocyte distribution was studied in 45 patients with malignant lymphoproliferative diseases. Eight patients with untreated Hodgkin's disease had normal mean percentages of complement receptor lymphocyte (CRL) cells and T-cells; however, the mean absolute number of T-cells was decreased. T-lymphocytes were also decreased in 3 patients with Hodgkin's disease treated 7-24 months previously. The number of T-lymphocytes increased markedly in all patients after treatment. Lymphocyte surface markers in non-Hodgkin's lymphoma showed distinctive patterns. Patients with leukemic reticuloendotheliosis or "hairy cell leukemia" characteristically had low percentages of CRL but normal or increased percentages of surface immunoglobulin-positive lymphocytes. The mean percentage and number of T-lymphocytes in this group were normal. Eight patients with nodular lymphocytic lymphoma and 2 patients with nodular lymphocytic-histiocytic lymphoma had normal mean numbers of CRL but decreased numbers of T-lymphocytes. Of 6 patients with diffuse lymphocytic lymphoma, 4 had elevated percentages and numbers of CRL. Despite low percentages, normal numbers of T-lymphocytes were found in 3 of these patients.

B-Lymphocytes↗
PubMed1977

Hepatic toxicity associated with gold therapy.

Three patients with rheumatoid arthritis developed jaundice after initiation of chrysotherapy. Gold sodium thiomalate had been administered in dosages of 37.5, 60, and 110 mg in these patients before the onset of jaundice. Liver function studies indicated a cholestatic jaundice in all subjects. One patient underwent exploratory laparotomy because of progressive jaundice. Liver biopsy was done in two patients. In one patient significant bile stasis and thrombi were seen in the biliary tree. In another patient liver biopsy showed ballooning of hepatocytes with minimal cholestasis. All patients recovered spontaneously. Awareness of this rare complication may prevent unnecessary diagnostic and surgical procedures in patients with rheumatoid arthritis who may develop jaundice while receiving chrysotherapy.

Arthritis, Rheumatoid↗
PubMed1976

Immunological identification of subpopulations of mononuclear cells in sarcoid granulomas.

The quantity of both circulating B and T lymphocytes in patients with sarcoidosis is diminished, although the relative percentage of each cell type appears normal. Immunocompetent cells comprising B and T lymphocytes, plasma cells, and histiocytes have been recognized in the sarcoid granuloma and the implications of these findings have been discussed.

B-Lymphocytes↗
PubMed1976

Immune function in sarcoidosis. Studies on delayed hypersensitivity, B and T lymphocytes, serum immunoglobulins and serum complement components.

An assessment of immune function was performed in twenty-four patients with recently diagnosed active sarcoidosis. Four patients manifested skin anergy to four antigens. All subjects except one were capable of generating a positive skin response to a croton oil patch test. The incorporation of [3H]thymidine by lymphocytes in vitro in response to the nonspecific mitogens--phytohaemagglutinin, pokeweed mitogen and Con A did not differ between anergic and non-anergic thymidine incorporation in vitro when stimulated by the specific antigens, streptokinase/streptodornase or Candida albicans. Lymphocytes obtained from nine of eleven patients having positive delayed hypersensitivity skin reactions demonstrated MIF production in vitro upon specific antigen challenge. Quantities of circulating B and T lymphocytes did not differ between anergic and absolute numbers of circulating B and T lymphocytes, as well as hypercomplementaemia and hypergammaglobulinaemia when compared to the control group.

B-Lymphocytes↗
PubMed1976

Lactic acidosis in diabetic patients.

Plasma lactate and beta-hydroxybutyrate concentrations were measured during episodes of ketoacidosis and lactic acidosis in diabetics. In 39 patients with ketoacidosis, with a mean plasma beta-hydroxybutyrate concentration of 12.4 millimols/liter, the plasma lactate concentration was less than 3.6 millimols/liter in 28 and moderately elevated in 11. In seven of the latter, coexisting lactic acidosis had been suspected clinically. In these 39 patients, there was no correlation between plasma lactate and beta-hydroxybutyrate concentrations. In six of ten episodes of presumed and later proved lactic acidosis, despite negative or weakly positive serum reactions with sodium nitroprusside, the plasma beta-hydroxybutyrate concentration was elevated. Although positive, the serum reaction with nitroprusside was also misleadingly weak in five of 39 patients with ketoacidosis, including three with plasma lactate concentrations less than 3 millimols/liter.

Adult↗
PubMed1975

Acute anaphylaxis associated with serum complement depletion.

A 45-year-old woman with rheumatoid arthritis developed anaphylaxis 6 min after receiving a subcutaneous injection of lidocaine, followed by an intra-articular injection of lidocaine mixed with methprednisolone acetate. One hour after the onset of anaphylaxis, serum complement component levels were markedly depressed and remained so far 18 hr. Circulating immune complexes and antibodies to lidocaine could not be demonstrated. Neither lidocaine nor methylprednisolone acetate activated the patient's complement system in vitro. Subsequently, total hemolytic activity (CH50) levels were variable, complement component protein concentrations of C1q, C1s, C4, C2, C3, C5, C6, C9, and Factor B were normal, but hemolytic activity of C4 and C2 was diminished. Serum C1 inhibitor concentrations were normal or slightly depressed. The patient has never had any symptoms suggestive of angiodema. It is postulated that the endogenous complement abnormality present in this patient may have contributed to the anaphylactic reaction.

Anaphylaxis↗
PubMed1975

Association of polyarthritis, subcutaneous nodules, and pancreatic disease.

A patient with nodular liquefying panniculitis, polyarthritis and an occult pancreatic neoplasm is described. The skin lesion was initially mistaken for erythema nodosum. Subcutaneous and synovial fluids demonstrated similar negatively birefringent, rectangular particles, lying in between fat globules. Serum lipase,although continuously elevated, did not fluctuate with disease activity. Biochemical evidence of lipolysis in either the synovial fluid or serum was not demonstrable. Immunologic mechanisms appeared not to be involved in the pathogensis of the panniculitis or the arthritis.

Arthritis↗