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Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
[Clinical and pathological characteristics in patients with clinically presumed hypertensive nephrosclerosis]
Yun-shan Guo1, Wei-jie Yuan, Jian-ping Yu
1Department of Nephrology, Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
Insights
Hypertensive nephrosclerosis (HN) was misdiagnosed in nearly 25% of patients. Renal biopsy is crucial for accurate diagnosis, as clinical features overlap with primary nephritis and focal segmental glomerulosclerosis.
Area of Science:
- Nephrology
- Pathology
- Hypertension Research
Context:
- Clinically presumed hypertensive nephrosclerosis (HN) diagnosis can be challenging.
- Distinguishing HN from other renal diseases is critical for appropriate patient management.
Purpose:
- To evaluate the clinical and pathological characteristics of patients with presumed HN.
- To determine the accuracy of clinical diagnosis for HN.
Summary:
- A study of 63 patients with presumed HN found that renal biopsy confirmed HN in 74.6%.
- Primary nephritis and focal segmental glomerulosclerosis (FSGS) were diagnosed in 16 patients, highlighting diagnostic challenges.
- HN patients exhibited distinct clinical features including higher age and longer hypertension duration, but key indicators like blood pressure and GFR were similar across groups.
Impact:
- Findings underscore the high rate of misdiagnosis for HN, emphasizing the need for renal biopsy.
- Accurate diagnosis of HN is essential for guiding treatment and improving patient outcomes in hypertensive kidney disease.
Objective:
To investigate the clinical and pathological characteristics of patients with clinically presumed hypertensive nephrosclerosis (HN).
Methods:
Clinical data and renal biopsy results were obtained in 63 patients diagnosed clinically as HN (primary hypertension plus renal injury).
Results:
HN was confirmed by biopsy in 47 out of 63 patients (74.6%, 12 malignant nephrosclerosis and 35 benign nephrosclerosis). Primary nephritis (PN) was diagnosed by biopsy in 10 patients (7 IgA nephropathy, 2 mesangial proliferative nephritis, 1 chronic interstitial nephritis) and focal and segmental glomerulosclerosis (FSGS) in 6 patients. Blood pressure, body mass index, GFR and blood lipids were similar among groups. HN patients were related to higher age, more frequent family history of hypertension, longer hypertension duration, higher left ventricular mass index, lower serum creatinine and lower incidence of microscopic hematuria. Most patients with malignant nephrosclerosis and FSGS patients showed grades III and IV retinopathy.
Conclusion:
Our results show that HN was misdiagnosed in nearly 25% patients in this cohort. Since the clinical features are similar between HN, PN and FSGS, renal biopsy is needed to establish the diagnosis of HN.
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