A potential research of cutaneous abnormalities in sufferers with persistent kidney illness

Ultrafiltration Rate and Mortality in Maintenance Hemodialysis Patients
June 7, 2021 0 Comments

Indian J Nephrol. 2012 Mar-Apr; 22(2): 116–120.


There are numerous methods wherein the pores and skin is affected by persistent kidney illness (CKD). Varied particular and nonspecific pores and skin abnormalities are noticed in sufferers with CKD. The purpose of the research was to doc the prevalence of pores and skin illnesses that generally happen in sufferers with CKD on medical remedy and dialysis. A complete of 99 sufferers with CKD have been examined for proof of pores and skin illnesses. Ninety-six had no less than one cutaneous abnormality attributable to CKD. Essentially the most prevalent discovering was xerosis (66.7%), adopted by pallor (45.45%), pruritus (43.4%), and cutaneous pigmentation (32.3%). Different cutaneous manifestations included dermatitis (27.27%); Kyrle’s illness (17.17%); fungal (8.08%), bacterial (11.1%), and viral (5.05%) infections; purpura (10.1%); gynecomastia (4.04%); and yellow pores and skin (5.05%). The frequent nail modifications have been half and half nails (36.36%) and onycholysis (13.13%). CKD is related to varied cutaneous abnormalities brought on both by the illness or by remedy, the commonest being xerosis and pruritus. The dermatologic problems can considerably impair the standard of life in sure people; due to this fact, earlier prognosis and remedy is necessary to enhance their high quality of life.

Key phrases: Persistent kidney illness, dialysis, uremic pruritus


Dermatologic abnormalities are frequent in persistent kidney illness (CKD) and vary from the practically common xerosis and pruritus to unusual situations resembling hyperpigmentation of uncovered areas, purpuric pores and skin modifications, acquired perforating dermatosis, and nail abnormalities.[1] In a research by Pico et al.,[2] all sufferers with CKD had a number of pores and skin manifestations, whereas Bencini et al.[3] seen pores and skin modifications in 79% of the sufferers. This research was carried out to find out the prevalence of cutaneous abnormalities in steady and dialysis-dependent CKD sufferers.

Supplies and Strategies

Sufferers with CKD, on medical remedy or dialysis have been included on this potential, observational research. The historical past of length of CKD and dialysis in addition to the onset of pores and skin illness with regard to prognosis of CKD have been taken. A whole medical and dermatological examination was carried out. The creatinine clearance of those sufferers was calculated utilizing the Crockroft–Gault system.[4]

Staging of CKD was achieved in keeping with the Kidney Illness Outcomes High quality Initiative (Okay/DOQI) medical apply pointers.[5]

In all sufferers, a whole blood rely; renal operate checks resembling blood urea, serum creatinine and electrolytes, serum calcium, inorganic phosphorus, and alkaline phosphatase; urine evaluation and renal ultrasound have been carried out. Particular investigations resembling pores and skin biopsies, tradition and sensitivity for bacterial infections, Gram’s stain, potassium hydroxide mount, and fungal tradition have been achieved wherever clinically indicated.

The severity of xerosis was assessed utilizing a modified model of grading utilized by Morton:[6] Grade- 0 (clean pores and skin), grade- 1 (tough pores and skin), and grade- 2 (tough pores and skin with scaling).

Sufferers with CKD stage V have been additional categorised as both steady CKD, hemodialysis-dependent CKD (HD-CKD), and on steady ambulatory peritoneal dialysis (CAPD). Renal transplant recipients have been excluded from this potential observational research.


Of the 99 sufferers, 78 have been males. By staging the severity of CKD in keeping with the Okay/DOQI medical apply pointers,[5] 1 affected person was discovered to be in stage II, 8 in stage III, 10 in stage IV, and 80 in stage V. Stage V sufferers have been additional divided into steady (6), HD-CKD (70), and CAPD (4). There have been no sufferers with stage I CKD. A lot of the sufferers have been within the age group of 40-60 years, with a imply age of fifty.5 years. The youngest affected person was 11 years outdated and the eldest, 86 years outdated. The etiology of CKD on this research confirmed that diabetic nephropathy was the reason for CKD in 42 sufferers adopted by persistent interstitial nephritis (18), persistent glomerulonephritis (14), hypertension (5), autosomal dominant polycystic kidney illness (6), obstruction (6), amyloidosis (2), and undetermined etiology in 6 sufferers.

A complete of 10 sufferers (9 male and 1 feminine) have been Hepatitis C Virus (HCV) antibody-positive and a couple of (2 male) have been Hepatitis B Floor Antigen (HBsAg) optimistic. Anemia was a standard drawback when these sufferers have been first seen, 7 had hemoglobin ranges of lower than 5 g/dl, 54 sufferers had hemoglobin ranges within the vary of 5-8 g/dl and 38 had higher than 8 g/dl. On this research, 96 sufferers had no less than one cutaneous abnormality; 42 had a number of pores and skin lesions, whereas 3 sufferers didn’t have any signs and indicators of pores and skin illness. Pores and skin abnormalities in relation to staging of CKD are proven in .

Desk 1

Cutaneous manifestations in numerous levels of persistent kidney illness

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One affected person on hemodialysis developed bullous dermatosis of hemodialysis. Different pores and skin lesions seen in sufferers with CKD have been diabetic bullae (1), diabetic dermopathy (1), psoriasis (2), vitiligo (1), acanthosis nigricans (2), Darier’s illness (1), neurofibromatosis (1), and Schamberg’s illness (1).

Nail modifications in CKD are proven in . Among the many nail modifications noticed, Lindsay’s nails (half and half nails) have been the commonest and have been seen in 36 sufferers (36.36%). Different nail modifications included onycholysis (13.13%), onychomycosis (7.07%), and Mee’s traces (8.08%). Beau’s traces (5.05%), koilonychia (5.05%), subungual hyperkeratosis (6.06%), Muehrcke’s line (3.03%), brown nail mattress arc (4.04%), and Splinter hemorrhage (1.01%).

Desk 2

Nail modifications in numerous levels of persistent kidney illness

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Oral mucosa modifications seen on this research have been macroglossia with enamel markings (tongue signal of uremia) in 9 (9.09%) of the sufferers; of this 22.22% have been in stage IV and 77.79% in stage V. Different mucosal modifications have been angular cheilitis (5.05%), ulcerative stomatitis (2.02%), and xerostomia (5.05%).


Xerosis was the commonest cutaneous abnormality (66.7%), which is comparable with different research.[7–10] This abnormality was noticed primarily in sufferers who have been on upkeep hemodialysis (45.45%); this being just like Anderson et al.,[11] who reported a excessive frequency of xerosis (50-70%) in dialysis sufferers []. Not one of the sufferers had xerosis from childhood, however one affected person had hypothyroidism previous to the prognosis of CKD. Options of atopy, related to dry pores and skin and keratosis pilaris-like lesions have been seen in eight sufferers. A discount within the dimension and practical abnormality of eccrine sweat glands, suggesting compromised eccrine secretion resulting in epithelial dehydration[12] could contribute to the event of xerosis.

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Xerosis secondary to renal failure

Pruritus is likely one of the most attribute and annoying signs of CKD. On this research, 43.4% of sufferers complained of pruritus, a discovering just like that in a research by Udayakumar et al., the place they discovered the prevalence of pruritus to be 53%.[9] In our research, 29.3% of CKD sufferers on upkeep hemodialysis had pruritus, which is in step with the report by Pico et al.,[2] who discovered the prevalence of pruritus amongst hemodialysis sufferers to be 19-90%. Among the many 29 sufferers on hemodialysis with pruritus, 13 sufferers didn’t enhance with dialysis, 4 had some enchancment, and the remaining 12 sufferers reported additional aggravation of pruritus after beginning hemodialysis. There are a major variety of proposed etiologies for pruritus in CKD together with: Integumentary modifications associated to xerosis, urochrome deposition, uremic toxemia, calcium and phosphate dysregulation, mast cell proliferation with a concomitant enhance in histamine ranges, dialysis element allergic reactions, and hypovitaminosis D.[13] Tapia has advised that pruritus in CKD could also be because of a slowly accumulative metabolic course of or hormonal derangement.[14] Parathyroid hormone and divalent ions (eg, calcium phosphate and magnesium ions) have additionally been implicated within the pathogenesis of uremic pruritus, as itching regularly accompanies extreme secondary hyperparathyroidism and an elevated calcium phosphate product. The dearth of constant correlation between ranges of parathyroid hormone, calcium, phosphorous, and uremic pruritus severity signifies that different components are extra necessary within the pathogenesis of uremic pruritus.[15,16] Irregular cutaneous innervations with discount in whole variety of pores and skin nerve terminals has been described in dialysis sufferers, related to dysfunction of the transmission of itch sensations.[17] Pallor of the pores and skin was noticed in 45 (45.45%) sufferers, and this was extra generally seen in sufferers on upkeep hemodialysis (38.38%). Diffuse hyperpigmentation on sun-exposed areas have been seen in 32.3% sufferers, and this was primarily encountered in sufferers on upkeep hemodialysis. That is in step with the report of Deepshikha et al. that hyperpigmentation predominantly on solar uncovered areas within the Indian inhabitants may very well be because of tropical local weather and extreme solar publicity in these sufferers.[10] Nunley et al.[18] reported that pigmentary alterations occurred in 25-70% of dialysis sufferers and will increase over the length of renal illness. The pigmentation on sun-exposed areas has been attributed to a rise in melanin within the basal layer of the dermis because of a rise in poorly dialyzable beta-melanocyte–stimulating hormone.[19] The depth of melanin pigmentation will increase with respect to the length of end-stage renal illness. A yellowish tinge of the pores and skin was reported in 40% of sufferers by Pico et al.,[2] however we encountered yellowish discoloration in solely 5 (5.05%) sufferers, most likely due to the darkish complexion of Indians, which masks this discovering. The yellowish pores and skin shade has been attributed to retained lipid soluble pigments resembling lipochromes and carotenoids, that are deposited within the dermis and subcutaneous tissue.[20]

Acquired perforating problems (APD) resembling perforating folliculitis, Kyrle’s illness, and reactive perforating collagenosis have been described in CKD. We encountered Kyrle’s illness in 17 (17.17%) sufferers, amongst whom, 12 sufferers (12.12%) have been on upkeep hemodialysis []. APD has been reported to happen in 4.5-10%[21] of sufferers receiving upkeep hemodialysis. The abundance of polymorphonuclear neutrophil remnants within the early levels of those problems has led to the hypothesis that mobile dissolution of neutrophils with proteolytic enzyme launch, together with collagenase and elastase elaboration, could provoke the pathologic course of.[22]

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Purpura was seen in 10 (10.1%) sufferers, amongst whom, 7 have been on upkeep hemodialysis. That is in step with the report of Remuzzi et al.,[23] that defects in major hemostasis-like elevated vascular fragility, irregular platelet operate, and use of heparin throughout dialysis are the principle causes of irregular bleeding in these sufferers.

Gynecomastia was noticed in 4 sufferers (4.04%). It happens throughout the early levels of standard dialysis remedy and is defined on the idea of ‘refeeding’ after beginning the remedy.[24] As a consequence of CKD and protein vitality malnutrition, pituitary gonadotropic and testicular operate stay suppressed; furthermore, following remedy and enhance in every day protein consumption, a ‘second puberty’ ensues, which can result in transient gynecomastia.

Twenty-six (26.26%) sufferers on this research had cutaneous infections; 11 (11.1%) have been bacterial, 5 (5.05%) viral, 8 (8.08%) fungal, 1 (1.01%) parasitic, and 1 (1.01%) cutaneous tuberculosis. Sufferers with persistent renal failure (CRF) have impaired mobile immunity because of a decreased T lymphocyte cell rely;[2] this might clarify the excessive prevalence of an infection in these sufferers. Darier’s illness and Schamberg’s illness have been seen in a single affected person every of CRF on hemodialysis. Darier’s illness is an autosomal dominant dysfunction of keratinization characterised by persistent eruption of hyperkeratotic papules involving primarily the seborrhoeic areas of face and trunk. Schamberg’s illness (progressive pigmented purpuric dermatosis) is an unusual eruption characterised by petechiae and patches of brownish pigmentation (hemosiderin deposits), significantly on the decrease extremities, which can stay for months or years and current solely a beauty drawback.

One affected person on upkeep hemodialysis developed bullous lesion on the dorsa of palms, unassociated with trauma. This affected person additionally had hyperpigmentation of the uncovered areas, and no related milia formation. Uroporphyrin and coproporphyrin concentrations within the plasma, urine, and stool specimens have been inside regular limits.

Lindsay’s nails (half and half nails) have been the commonest nail abnormality seen on this research (36.36%) and extra generally seen in hemodialysis sufferers []. Earlier research have discovered a prevalence of 16-50.6%.[2,8,9] Though half and half nails usually are not at all times seen in renal failure, they happen in as many as 40% of the sufferers on dialysis.[18] Pico et al.[2] reported that the nail modifications elevated in prevalence with respect to time of dialysis and was considerably extra pronounced in sufferers receiving hemodialysis. The pathogenesis of half and half nails has been attributed to elevated ranges of melanocyte stimulating hormone (MSH).[25]

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Lindsay’s nail with Pincer nail deformity

Sparse physique hair and diffuse alopecia with dry lusterless hair have been reported in sufferers with CKD.[7] In our research, 16 sufferers had sparse physique hair and seven had dry lusterless hair, which may very well be because of decreased secretion of sebum.

Mucosal modifications within the oral cavity have been reported in as much as 90% sufferers with CKD.[26] Macroglossia with enamel marking (tongue signal of uremia) was first described by Mathew in 92% of sufferers with CKD,[27] which was seen in 9.09% of our sufferers. Xerostomia was seen in 5.05% of the sufferers, which may very well be attributed to mouth respiration and dehydration.

Dermatologic situations resembling uremic frost, erythema papulatum uremicum, uremic roseola, and uremic erysipeloid now seldom happen in sufferers with CKD. Sure particular problems related to CKD resembling calciphylaxis and fibrosing dermopathy of uremia weren’t seen in our research, and this may very well be attributed to shorter length of dialysis in our sufferers.

Current advances within the remedy have improved the standard of life and life expectancy of those sufferers, leading to modifications within the frequency and varieties of problems noticed along with CKD. Some prophylactic measures can stop a number of the cutaneous manifestations, resembling emollients for xerosis and pruritus, solar screens, avoidance of solar publicity and sufficient clothes for pigmentary modifications, and cutaneous malignancies. Immediate recognition and remedy of an infection in sufferers with CKD, particularly on upkeep dialysis is beneficial for enhancing the standard of life.


Supply of Help: Nil

Battle of Curiosity: None declared.


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