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Biomedical subjects

Michael D Lockshin

Publications and source records attributed to Michael D Lockshin.

22 records · Page 2Linked to original sources

Lupus pregnancy.

Pregnancy markedly alters a normal woman's physiology and immune response mechanisms. The effect of pregnancy changes on the course of systemic lupus erythematosus (SLE) remains, however, speculative. Pregnant lupus patients are susceptible to pre-eclampsia, especially if they suffer lupus nephritis, and to steroid-induced hypertension and hyperglycemia. Fetuses are susceptible to placental insufficiency if antiphospholipid antibody or other procoagulant states are present, and to neonatal lupus if anti-Ro/La antibodies are present. Artificial reproductive technologies ("in vitro fertilization") can be safely used in SLE patients. Study of the physiology of pregnancy, for instance complement kinetics, may inform our understanding of SLE, and vice versa.

Autoantibodies↗

Sex ratio and rheumatic disease.

Some thyroid, rheumatic and hepatic diseases consistently have high female:male ratios, but many autoimmune diseases do not. Gonadal hormones, if they play a role in determining sex ratios, likely do so through a threshold or permissive mechanism. Sex differences related to X-inactivation, imprinting, X or Y chromosome genetic modulators, and intrauterine influences, exposures, vulnerable periods, or thresholds are alternative, theoretical, explanations for sex differences of incidence.

Aged↗

Endocrine origins of rheumatic disease. Diagnostic clues to interrelated syndromes.

Heightened awareness of endocrine abnormalities is important in evaluation of patients presenting with musculoskeletal symptoms. Endocrine disorders such as diabetes, hyperthyroidism, hypothyroidism, hyperparathyroidism, hypoparathyroidism, hyperadrenocorticism, and acromegaly cause a unique array of rheumatic manifestations. Such conditions include Dupuytren's contracture, carpal tunnel syndrome, chondrocalcinosis, pseudogout, scleredema, and osteoporosis. Characteristic changes on radiologic evaluation and serum enzyme testing are additional clues to these atypical presentations. Consideration of a possible endocrine cause early in the evaluation may improve management in patients with such an underlying disorder.

Acromegaly↗

Perioperative medical management of antiphospholipid syndrome: hospital for special surgery experience, review of literature, and recommendations.

UNLABELLED: Patients with antiphospholipid syndrome (APS), who are predisposed to vascular thrombotic events, are at additional risk for thrombosis when they undergo surgery. Serious perioperative complications (recurrent thrombosis, catastrophic exacerbation, or bleeding) occur despite prophylaxis. We describe our perioperative experience with APS patients who underwent a variety of surgeries, review the literature, and discuss strategies that may guide other physicians in their perioperative evaluation and management of patients with APS. RECOMMENDATIONS: perioperative strategies should be clearly identified before surgical procedure; pharmacological and physical antithrombosis interventions vigorously employed; periods without anticoagulation kept to a minimum; and any deviation from a normal course should be considered a potential disease related event.

Adult↗