COVID-19 has affected many people all around the world for more than two years now have suffered many long-term consequences which is commonly referred to as long-haulers. Despite multiorgan complaints in long haulers, symptoms related to cognitive functions commonly referred as brain fog are seen in the high risk covid patients with age more than 50, women more than men, obesity, asthma and those who experienced more than five symptoms during the first week of covid illness. Long term isolation has certainly contributed to high level of anxiety and stress calling for an empathetic response to this group of covid patients as there is no specific test to detect long haulers and no specific cognitive rehabilitation techniques available as of today.
Dear Editor,Nodular glomerulosclerosis is observed in diabetes mellitus, dysproteinemias, lobular membranoproliferative glomerulonephritis, glomerular deposition disease, and chronic hypoxic states. Idiopathic nodular glomerulosclerosis (ING), which is a rare clinical entity, is diagnosed in the absence of these conditions. We report a case of ING in an elderly hypertensive lady.An 82-year-old woman was evaluated for chronic kidney disease. Her medical history included hypertension, permanent atrial fibrillation, and osteoarthritis. There was no personal or family history of diabetes mellitus, hepatitis, autoimmune, or connective tissue disease. She did not use any over-the-counter medications, herbal remedies, cigarettes, alcohol, or recreational drugs. On examination, her vitals revealed blood pressure of 140/93 mmHg, with an irregular heart rate of 74-86 beats/min. The rest of the physical examination was unremarkable. Laboratory parameters were significant for mild normocytic anemia with a hemoglobin level of 10.2 mg/dl, BUN of 65 mg/dl, and creatinine level of 1.7 mg/dl. Fasting blood glucose, 2-h glucose tolerance test, autoantibody screening, complements, hepatitis serology, and cryoglobulins were normal. Urinalysis was normal with random protein 18 mg/dl and creatinine 59.2 mg/dl. Serum protein electrophoresis confirmed by immunofixation revealed monoclonal IgM lambda quantitated at 0.11 g/dl; free kappa/lambda ratio was 1.17 (normal 0.26-1.65). Renal ultrasound demonstrated slightly asymmetric kidneys. Renal artery magnetic resonance angiography was normal. Light microscopy of left kidney biopsy showed 6 end-stage sclerotic glomeruli and 14 viable glomeruli. Nodular mesangial expansion, thickened peripheral capillary basement membranes, tubular atrophy, interstitial fibrosis, arteriolar intimal sclerosis, and patchy lymphoplasmacytic infiltrates were observed (Fig. 1). Congo red stain was negative. Immunofluorescence was positive for focal granular mesangial IgM deposits. Electron microscopy showed thickened glomerular basement membranes and expanded mesangial matrix, frequently forming mesangial matrix nodules. There were no electron dense deposits, and foot processes were fused in a patchy pattern. These findings were suggestive of diffuse and nodular glomerulosclerosis with moderate to severe arteriosclerosis.In the absence of other etiologies, it is possible that hypertension was responsible for nodular glomerulosclerosis in this patient. It is speculated that individuals with long standing hypertension have an increased or reset sensitivity to non-diabetic glycemic levels resulting in an exaggerated glomerulovascular response [1].
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