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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Ardissino G, Matta R, Patricelli M, Capone V, Leoni A, Groppelli A, Vettoretti S, Pavone L, Margiotta E, Brancadoro A, Grimaldi E, Cropanese I, Raffiotta F, Messa P, Montini G. Calcium carbonate-enriched cheese to improve nutrition, compliance and phosphorus control in patients on kidney replacement therapy. J Nephrol 2021; 35:305-309. [PMID: 34185278 PMCID: PMC8240068 DOI: 10.1007/s40620-021-01102-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/18/2021] [Indexed: 11/26/2022]
Abstract
Background Patients on renal replacement therapy face many dietary limitations, and cheese is often limited because of its high phosphate content; we have developed cheese with added calcium carbonate (CaCO3) to provide patients with a nutritional opportunity while improving their phosphate control. Methods The present double-blind crossover study was aimed to compare the new modified cheese with an equivalent standard product in 16 patients. The increase in inter-dialysis phosphorus (ΔP) and pre-dialysis calcium were used as the primary endpoints for efficacy and safety. Results The median ΔP (and IQR) was significantly lower with the modified cheese compared with the standard product: 2.5 (1.9–2.9) mg/dL vs. 2.7 (2.2–3.4) mg/dL, respectively (p < 0.02). No difference was observed in pre-dialysis serum calcium levels. Conclusions The described modified cheese may represent an interesting means of overcoming some of the dietary limitations in patients on dialysis to help them achieve better nutrition and quality of life. Graphic abstract ![]()
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Affiliation(s)
- Gianluigi Ardissino
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy.
| | - Roberto Matta
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Mariagrazia Patricelli
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Valentina Capone
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Antonio Leoni
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | | | - Simone Vettoretti
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Laura Pavone
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Elisabetta Margiotta
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Annamaria Brancadoro
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Emanuele Grimaldi
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Isabella Cropanese
- Child and Adolescent Neuropsychiatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Francesca Raffiotta
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Piergiorgio Messa
- Nephrology and Dialysis, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
| | - Giovanni Montini
- Pediatric Nephrology, Dialysis and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
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Zanoni F, Pavone L, Binda V, Tripepi G, D'Arrigo G, Scalamogna A, Messa P. Catheter-related bloodstream infections in a nephrology unit: Analysis of patient- and catheter-associated risk factors. J Vasc Access 2020; 22:337-343. [PMID: 32648807 DOI: 10.1177/1129729820939762] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Central venous catheter use is rising in chronic and acute hemodialysis. Catheter-related bloodstream infections are a major complication of central venous catheter use. This article examines clinical factors associated with catheter-related bloodstream infections incidence. METHODS In this retrospective, single-center study, 413 patients undergoing extracorporeal treatments between 1 February 2014 and 31 January 2017 with 560 central venous catheters were recruited. Clinical parameters, such as gender, age, kidney disease status, diabetes, immunosuppression, and vintage dialysis, were collected at study entry. An incidence rate ratio (95% confidence interval) was calculated to assess the association between catheter-related bloodstream infections incidence rate and each clinical variable/central venous catheter type. Significant associations at the univariate analyses were investigated with multivariate Cox models. RESULTS During a cumulative time of 66,686 catheter-days, 54 catheter-related bloodstream infections (incidence rate: 0.81) events occurred. Gram negative bacteria were more frequent in patients with age < 80 years (16 (36%) vs. 0, p = 0.02). At the univariate analyses, male sex (incidence rate ratio: 1.9 (1.1-3.5), p = 0.03), age < 80 years (incidence rate ratio: 2.4 (1.1-5.5), p = 0.016) and acute kidney injury (incidence rate ratio: 5.6 (3.1-10), p < 0.0001) were associated with higher catheter-related bloodstream infections incidence rate. Compared with tunneled jugular central venous catheter, higher catheter-related bloodstream infections incidence rate was associated with non-tunneled jugular (incidence rate ratio: 6.45 (2.99-13.56), p < 0.0001) and non-tunneled femoral (incidence rate ratio: 12.90 (5.87-27.61), p < 0.0001) central venous catheter use; tunneled femoral central venous catheter was associated with higher non-significant incidence rate (incidence rate ratio: 2.45 (0.93-5.85), p = 0.07). The multivariate analyses showed that acute kidney injury (hazard ratio: 3.03 (1.38-6.67), p = 0.006), non-tunneled (hazard ratio: 3.11 (1.30-7.41), p = 0.01) and femoral (hazard ratio: 2.63 (1.36-5.07), p = 0.004) central venous catheter were associated with higher catheter-related bloodstream infections incidence rate. CONCLUSION Central venous catheter characteristics and acute kidney injury are independently associated with higher catheter-related bloodstream infections rate.
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Affiliation(s)
- Francesca Zanoni
- Unit of Adult Nephrology, Dialysis and Renal Transplant, Department of Medicine, Foundation Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Laura Pavone
- Unit of Adult Nephrology, Dialysis and Renal Transplant, Department of Medicine, Foundation Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Valentina Binda
- Unit of Adult Nephrology, Dialysis and Renal Transplant, Department of Medicine, Foundation Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Giovanni Tripepi
- CNR-IFC, Institute of Clinical Physiology of Reggio Calabria, Pisa, Italy
| | - Graziella D'Arrigo
- CNR-IFC, Institute of Clinical Physiology of Reggio Calabria, Pisa, Italy
| | - Antonio Scalamogna
- Unit of Adult Nephrology, Dialysis and Renal Transplant, Department of Medicine, Foundation Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Piergiorgio Messa
- Unit of Adult Nephrology, Dialysis and Renal Transplant, Department of Medicine, Foundation Ca' Granda IRCCS Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
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Regalia A, Malvica S, Vettoretti S, Pavone L, Margiotta E, Castelnovo C, Scalamogna A, Messa P. P1430BETA C-TERMINAL TELOPEPTIDE OF TYPE I COLLAGEN: CORRELATIONS WITH MINERAL METABOLISM PARAMETERS AND CARDIAC VALVULAR CALCIFICATIONS IN A COHORT OF HEAMODIALYSIS PATIENTS. Nephrol Dial Transplant 2020. [DOI: 10.1093/ndt/gfaa142.p1430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background and Aims
Beta-carboxyterminal telopeptide of type I collagen (beta-CTx) is considered a marker of bone resorption in patients affected by osteoporosis. Nevertheless, its role in mineral bone disorder (MBD) of CKD patients is not clear. The aim of this study was to explore in a group of haemodialysis patients (HDp): 1) The levels of beta-CTx; 2) The correlation between beta-CTx levels and other mineral metabolism (MM) parameters; 3) The association between beta-CTx and CKD-MBD specific therapy 4) The relation between beta-CTx and cardiac valvular calcifications (VC).
Method
We studied a group of 21 HDp (F/M 9/12, age 68[54-78] years) randomly selected from the HDp actually followed-up in our Department. Dialysis vintage was 52[23-80] months. All HDp were on a three-weekly hemodialysis schedule, with a prescribed dialysate calcium of 1.5 mmol/l. Before the first dialysis session of the week, after the long interdialytic interval, the levels of beta-CTx, total and ionized calcium (tCa and iCa), Phosphorus (P), Magnesium (Mg), intact PTH (iPTH), total and bone isoform of alkaline phosphatase (tALP and bALP), 25-hydroxyvitamin D (25OHVD), 1,25-dihydroxyvitamin D (1,25OH2VD), and other general biochemical parameters were measured (Figure 1). At the same time, data concerning MM therapies were recorded. In all the studied patients, the presence of VC was searched in the the most recent echocardiographic study.
Results
Beta-CTx levels showed a significant positive correlation with tALP (r 0.92, p <0.0001), bALP (r 0.89, p <0.0001) and iPTH (r 0.87, p<0.0001) and a negative correlation with tCa (r – 0.43, p=0.05) and iCa (r – 0.52, p=0.01). No significant correlation was found with the other MM and general biochemical parameters and with the general features of the studied cohort. 18 patients (85.7%) were taking P binders (72.2% Ca-based and 27.8% Ca-free). In 20 patients (95.2%) vitamin D therapy, either in the natural, active or both natural and active form (35%, 15% and 50%, respectively) was prescribed. 6 patients (28.6%) were in therapy with Cinacalcet.
No difference was found in beta-CTx levels according to the presence and the type of each of the above mentioned therapies.
Conclusion
Taking into account the limitations of this preliminary small size observational study, our data showed that beta-CTx levels are high in HDp. Beta-CTx correlates with iPTH, tALP and bALP. The negative correlation with tCa and iCa probably might be influenced by the negative correlation between iPTH and serum Calcium. Beta-CTx levels are not associated with CKD-MBD specific therapy or with cardiac valvular calcifications. Further prospective and randomized studies, including a higher number of HDp and possibly bone histology are needed to elucidate the possible role of beta-CTx as a marker of bone disease in HDp.
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Affiliation(s)
- Anna Regalia
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Silvia Malvica
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Simone Vettoretti
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Laura Pavone
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Elisabetta Margiotta
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Claudia Castelnovo
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Antonio Scalamogna
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
| | - Piergiorgio Messa
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Nephrology, Dialysis and Renal Transplant Unit, Milano, Italy
- Università degli Studi di Milano, Department of Clinical Sciences and Community Health, Milano, Italy
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Zanoni F, Pavone L, Binda V, Tripepi GL, D'Arrigo G, Scalamogna A, Messa P. P1340CATHETER-RELATED BLOODSTREAM INFECTIONS IN HEMODIALYSIS: ANALYSIS OF PATIENT- AND CATHETER- ASSOCIATED RISK FACTORS. Nephrol Dial Transplant 2020. [DOI: 10.1093/ndt/gfaa142.p1340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background and Aims
Tunneled central venous catheter (T CVC) use is rising among patients undergoing chronic hemodialysis (HD) and non-tunneled (NT) CVCs are often used for HD initiation in late referral chronic kidney disease (CKD) or acute kidney injury (AKI). Catheter-related bloodstream infections (CRBSI) are a major complication of CVC use. This study examines potential patient- and CVC- related factors associated with CRBSI incidence and its microbiological features.
Method
In this retrospective single-center study, 413 patients undergoing an extracorporeal treatment (HD or Plasma Exchange) between February 1st 2014 and January 31st 2017 with 561 CVCs were recruited. Clinical data at study entry and CVC type are summarized in table 1. All bloodstream infections (BSI) occurring during the observation period were recorded and classified into CRBSI or non-CRBSI (nCRBSI), and their infecting agents collected. An incidence rate ratio (IRR (95% CI)) was calculated to assess the association between CRBSI incidence rate (IR), expressed as events/1000 catheter-days, and each clinical variable or CVC type. Significant associations at the univariate analyses were investigated with multivariate cox models.
Results
During a cumulative follow-up time of 66686 catheter-days, 54 (IR: 0.81) CRBSI and 30 (IR: 0.45) nCRBSI events occurred. CRBSI had higher frequency of GRAM+ bacteria compared with nCRBSI (70% vs 33%, p<0.001). Among CRBSI, GRAM- bacteria were more frequent in patients with age <80y (16 (36%) vs 0, p=0.02), and T CVC (40% vs 18%, p=0.07).
At the univariate analysis, male sex, age <80y and AKI were associated with higher CRBSI IR (table 2). Compared with T Jugular CVC, higher CRBSI IR was associated with NT Jugular (IRR 6.45 (2.99-13.56), p<0.0001) and NT Femoral (IRR 12.90 (5.87-27.61), p<0.0001) CVC; T Femoral CVC was associated with higher non-significant IR (IRR 2.45 (0.93-5.85), p=0.07). At the multivariate analyses, factors associated with higher CRBSI IR were AKI (hazard ratio - HR 3.03 (1.38–6.67), p=0.006), NT CVC (HR 3.11 (1.30–7.41), p=0.01), and Femoral CVC (HR 2.63 (1.36–5.07), p=0.004).
Conclusion
Patients affected by AKI and use of NT or Femoral CVCs are independently associated with CRBSI risk.
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Affiliation(s)
- Francesca Zanoni
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Unit of Nephrology, Dialysis and Renal Transplantation, Milan, Italy
| | - Laura Pavone
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Unit of Nephrology, Dialysis and Renal Transplantation, Milan, Italy
| | - Valentina Binda
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Unit of Nephrology, Dialysis and Renal Transplantation, Milan, Italy
| | | | | | - Antonio Scalamogna
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Unit of Nephrology, Dialysis and Renal Transplantation, Milan, Italy
| | - Piergiorgio Messa
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Unit of Nephrology, Dialysis and Renal Transplantation, Milan, Italy
- Università degli Studi di Milano, Department of Clinical Sciences and Community Health, Milan, Italy
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Fiumara A, Barone R, Buttitta P, Musso R, Pavone L, Nigro F, Jaeken J. Haemostatic Studies in Carbohydrate-deficient Glycoprotein Syndrome Type I. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1650611] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryCDG syndrome (CDGS) type I is the most frequent form of a group of metabolic disorders characterised by a defect of the carbohydrate moiety of glycoproteins. A large number of plasma glycoproteins, including clotting factors and inhibitors, are decreased and stroke-like episodes have been described in about half of the reported patients. We studied blood coagulation factors, inhibitors and D-dimer plasma levels in four subjects, aged 12-23 years, with CDGS type I. Factors VIII, XI, antithrombin III activity, antigen plasma levels of antithrombin III, free protein S and protein C were decreased whereas protein C as activity was normal. In addition two patients had reduction of factors II, V, VII, IX, X reflecting the phenotypic heterogeneity associated with CDGS type I. D-dimer plasma concentrations were elevated in all subjects. The hypercoagulable state as consequence of the combined deficiencies of coagulation inhibitors could contribute to the stroke-like phenomena in CDGS type I.
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Affiliation(s)
- A Fiumara
- Department of Paediatrics, University of Catania, Italy
| | - R Barone
- Department of Paediatrics, University of Catania, Italy
| | - P Buttitta
- The Department of Neonatology, G. Cristina Hospital, Palermo, Italy
| | - R Musso
- Department of Hematology, Hemophilia Section, University of Catania, Italy
| | - L Pavone
- Department of Paediatrics, University of Catania, Italy
| | - F Nigro
- Department of Paediatrics, University of Catania, Italy
| | - J Jaeken
- Department of Paediatrics, University of Leuven, Belgium
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Sozzi FB, Montanaro C, Bacà L, Viani GM, Zilocchi M, Canetta C, Meazza R, Pavone L, Lombardi F. Cor triatriatum dexter associated with atrial septal defect: Management in a complex clinical case. Echocardiography 2017; 34:1725-1729. [DOI: 10.1111/echo.13714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
| | | | - Laura Bacà
- Policlinico Hospital IRCCS Ca’ Granda; Milan Italy
| | | | | | | | | | - Laura Pavone
- Policlinico Hospital IRCCS Ca’ Granda; Milan Italy
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Perrotta A, Chiacchiaretta P, Anastasio MG, Pavone L, Grillea G, Bartolo M, Siravo E, Colonnese C, De Icco R, Serrao M, Sandrini G, Pierelli F, Ferretti A. Temporal summation of the nociceptive withdrawal reflex involves deactivation of posterior cingulate cortex. Eur J Pain 2016; 21:289-301. [PMID: 27452295 DOI: 10.1002/ejp.923] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND Temporal summation of pain sensation is pivotal both in physiological and pathological nociception. In humans, it develops in parallel with temporal summation of the nociceptive withdrawal reflex (NWR) of the lower limb, an objective representation of the temporal processing of nociceptive signals into the spinal cord. METHODS To study the contribution of cortical and subcortical structures in temporal summation of pain reflex responses, we compared the fMRI signal changes related to the temporal summation threshold (TST) of the NWR with that related to the single NWR response. We studied 17 healthy subjects using a stimulation paradigm previously determined to evoke both the TST of the NWR (SUMM) and the NWR single response (SING). RESULTS We found a significant activation in left (contralateral) primary somatosensory cortex (SI), bilateral secondary somatosensory cortex (SII), bilateral insula, anterior cingulate cortex (ACC) and bilateral thalamus during both SUMM and SING conditions. The SUMM versus SING contrast revealed a significant deactivation in the posterior cingulate cortex (PCC) and bilateral middle occipital gyrus in SUMM when compared to SING condition. CONCLUSIONS Our data support the hypothesis that temporal summation of nociceptive reflex responses is driven through a switch between activation and deactivation of a specific set of brain areas linked to the default mode network. This behaviour could be explained in view of the relevance of the pain processing induced by temporal summation, recognized as a more significant potential damaging condition with respect to a single, isolated, painful stimulation of comparable pain intensity. SIGNIFICANCE The study demonstrated that TST of the NWR involves a selective deactivation of PCC.
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Affiliation(s)
- A Perrotta
- IRCCS Neuromed, Pozzilli (Isernia), Italy
| | - P Chiacchiaretta
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti, Italy.,Institute for Advanced Biomedical Technologies (ITAB), University "G. d'Annunzio" of Chieti, Italy
| | | | - L Pavone
- IRCCS Neuromed, Pozzilli (Isernia), Italy
| | - G Grillea
- IRCCS Neuromed, Pozzilli (Isernia), Italy.,Department of Neurology and Psychiatry, "Sapienza" University of Rome, Italy
| | - M Bartolo
- IRCCS Neuromed, Pozzilli (Isernia), Italy
| | - E Siravo
- IRCCS Neuromed, Pozzilli (Isernia), Italy
| | - C Colonnese
- IRCCS Neuromed, Pozzilli (Isernia), Italy.,Department of Neurology and Psychiatry, "Sapienza" University of Rome, Italy
| | - R De Icco
- C. Mondino National Neurological Institute, Department of Brain and Behavioral Sciences, University of Pavia, Italy
| | - M Serrao
- Unit of Neurorehabilitation, Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, ICOT, Latina, Italy
| | - G Sandrini
- C. Mondino National Neurological Institute, Department of Brain and Behavioral Sciences, University of Pavia, Italy
| | - F Pierelli
- IRCCS Neuromed, Pozzilli (Isernia), Italy.,Unit of Neurorehabilitation, Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, ICOT, Latina, Italy
| | - A Ferretti
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti, Italy.,Institute for Advanced Biomedical Technologies (ITAB), University "G. d'Annunzio" of Chieti, Italy
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Mollica F, Pavone L, Antener I. Familial hyperprolinemia without mental retardation and hereditary nephropathy. Monogr Hum Genet 2015; 6:144-5. [PMID: 4663888 DOI: 10.1159/000392676] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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11
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Pavone P, Rizzo R, Conti I, Verrotti A, Mistretta A, Falsaperla R, Pratico AD, Grosso G, Pavone L. Primary headaches in children: clinical findings on the association with other conditions. Int J Immunopathol Pharmacol 2013; 25:1083-91. [PMID: 23298498 DOI: 10.1177/039463201202500425] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The aim of the present study is to report on the frequency of some comorbidities in primary headaches in childhood. Two hundred and eighty children (175 males and 105 females; ratio 1.7:1), aged 4 to 14 years, affected by primary headaches were consecutively enrolled in this study. In direct interviews, parents and children gave information about the association of their headaches with different conditions including asthma and allergic disorders, convulsive episodes, sleep disorders and increased body weight, affections some time associated in the literature to headache as comorbidities . In addition, anxiety and depression, attention deficit/hyperactivity disorder, tics, learning disabilities and obsessive-compulsive disorders, using psycho-diagnostic scales were evaluated. Two hundred and eighty children matched for age, sex, race and socio-economic status, were used as controls. No significant association of primary headaches was found with asthma and allergic disorders, convulsive episodes, sleep disorders and increased body weight. Overall behavioral disorders were more common in children who experienced headache than in controls. A significant association of primary headache was found with anxiety and depression (p value < 0.001), but not with the other psychiatric disorders. Primary headaches in children are not associated with most of the psychiatric and systemic conditions herein investigated. On the contrary, there was a significant association with anxiety and depression, as frequently reported in adults.
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Affiliation(s)
- P Pavone
- Department of Pediatrics and Pediatric Emergency, University Hospital Policlinico-Vittorio Emanuele, Catania, Italy.
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12
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Mattia M, Spadacenta S, Pavone L, Quarato P, Esposito V, Sparano A, Sebastiano F, Di Gennaro G, Morace R, Cantore G, Mirabella G. Stop-event-related potentials from intracranial electrodes reveal a key role of premotor and motor cortices in stopping ongoing movements. Front Neuroeng 2012; 5:12. [PMID: 22754525 PMCID: PMC3386527 DOI: 10.3389/fneng.2012.00012] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 06/15/2012] [Indexed: 11/17/2022]
Abstract
In humans, the ability to withhold manual motor responses seems to rely on a right-lateralized frontal–basal ganglia–thalamic network, including the pre-supplementary motor area and the inferior frontal gyrus (IFG). These areas should drive subthalamic nuclei to implement movement inhibition via the hyperdirect pathway. The output of this network is expected to influence those cortical areas underlying limb movement preparation and initiation, i.e., premotor (PMA) and primary motor (M1) cortices. Electroencephalographic (EEG) studies have shown an enhancement of the N200/P300 complex in the event-related potentials (ERPs) when a planned reaching movement is successfully stopped after the presentation of an infrequent stop-signal. PMA and M1 have been suggested as possible neural sources of this ERP complex but, due to the limited spatial resolution of scalp EEG, it is not yet clear which cortical areas contribute to its generation. To elucidate the role of motor cortices, we recorded epicortical ERPs from the lateral surface of the fronto-temporal lobes of five pharmacoresistant epileptic patients performing a reaching version of the countermanding task while undergoing presurgical monitoring. We consistently found a stereotyped ERP complex on a single-trial level when a movement was successfully cancelled. These ERPs were selectively expressed in M1, PMA, and Brodmann's area (BA) 9 and their onsets preceded the end of the stop process, suggesting a causal involvement in this executive function. Such ERPs also occurred in unsuccessful-stop (US) trials, that is, when subjects moved despite the occurrence of a stop-signal, mostly when they had long reaction times (RTs). These findings support the hypothesis that motor cortices are the final target of the inhibitory command elaborated by the frontal–basal ganglia–thalamic network.
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Affiliation(s)
- M Mattia
- Department of Technologies and Health, Istituto Superiore di Sanità, Viale Regina Elena Rome, Italy
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13
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Pavone P, Praticò A, Ruggieri M, Verrotti A, Castellano-Chiodo D, Greco F, Falsaperla R, Pavone L. Acquired Peripheral Neuropathy: A Report on 20 Children. Int J Immunopathol Pharmacol 2012; 25:513-517. [DOI: 10.1177/039463201202500222] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023] Open
Affiliation(s)
- P. Pavone
- AOU “Vittorio Emanuele-Policlinico” University Hospital Catania, Italy
| | - A.D. Praticò
- Department of Pediatrics, University of Catania, Catania, Italy
| | - M. Ruggieri
- Chair of Pediatrics, Department of Formative Processes, University of Catania, Catania, Italy
| | - A. Verrotti
- Chair of Pediatric Neurology, Department of Pediatrics, University of Chieti, Chieti, Italy
| | | | - F. Greco
- Department of Pediatrics, University of Catania, Catania, Italy
| | - R. Falsaperla
- AOU “Vittorio Emanuele-Policlinico” University Hospital Catania, Italy
| | - L. Pavone
- AOU “Vittorio Emanuele-Policlinico” University Hospital Catania, Italy
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14
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Martorana D, Maritati F, Malerba G, Bonatti F, Alberici F, Oliva E, Sebastio P, Manenti L, Brugnano R, Catanoso MG, Fraticelli P, Guida G, Gregorini G, Possenti S, Moroni G, Leoni A, Pavone L, Pesci A, Sinico RA, Di Toma L, D'Amico M, Tumiati B, D'Ippolito R, Buzio C, Neri TM, Vaglio A. PTPN22 R620W polymorphism in the ANCA-associated vasculitides. Rheumatology (Oxford) 2012; 51:805-12. [PMID: 22237046 DOI: 10.1093/rheumatology/ker446] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES PTPN22 is involved in T-cell activation and its R620W single-nucleotide polymorphism (SNP) has been shown to predispose to different autoimmune diseases. The aims of this study were to investigate the role of the PTPN22 R620W SNP in conferring susceptibility to the ANCA-associated vasculitides (AAVs), and to explore potential associations between the PTPN22 genotype and the disease manifestations. METHODS PTPN22 R620W SNP was genotyped in a cohort of 344 AAV patients [143 with granulomatosis with polyangiitis (Wegener's) (GPA), 102 with microscopic polyangiitis (MPA) and 99 with Churg-Strauss syndrome (CSS)] and in 945 healthy controls. RESULTS The frequency of the minor allele (620W) was significantly higher in GPA patients than in controls [P = 0.005, χ(2 )= 7.858, odds ratio (OR) = 1.91], while no statistically significant association was found with MPA or CSS. Among GPA patients, the 620W allele was particularly enriched in ANCA-positive patients as compared with controls (P = 0.00012, χ(2 )= 14.73, OR = 2.31); a particularly marked association was also found with ENT involvement (P = 0.0071, χ(2 )= 7.258, OR = 1.98), lung involvement (P = 0.0060, χ(2 )= 7.541, OR = 2.07) and skin manifestations of all kinds (P = 0.000047, χ(2 )= 16.567, OR = 3.73). CONCLUSION The PTPN22 620W allele confers susceptibility to the development of GPA (but not of MPA or CSS), and particularly of its ANCA-positive subset.
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Affiliation(s)
- Davide Martorana
- Dipartimento di Clinica Medica e Nefrologia, Azienda Ospedaliero-Universitaria di Parma, Via Gramsci 14, 43126 Parma, Italy
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15
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Gallus GN, Cardaioli E, Rufa A, Collura M, Da Pozzo P, Pretegiani E, Tumino M, Pavone L, Federico A. High frequency of OPA1 mutations causing high ADOA prevalence in south-eastern Sicily, Italy. Clin Genet 2011; 82:277-82. [DOI: 10.1111/j.1399-0004.2011.01751.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wanner C, Germain DP, Linthorst G, Marodi L, Mauer M, Mignani R, Oliveira J, Ortiz A, Serra AL, Svarstad E, Vujkovac B, Waldek S, Warnock DG, West M, Schiffmann R, Mehta A, Amato D, Nair N, Zahrieh D, Huertas P, Bonatti F, Maritati F, Alberici F, Oliva E, Sinico RA, Moroni G, Leoni A, Gregorini G, Jeannin G, Possenti S, Tumiati B, Grasselli C, Brugnano R, Salvarani C, Fraticelli P, Pavone L, Pesci A, Guida G, Neri TM, Buzio C, Malerba G, Martorana D, Vaglio A, Oda A, Kitamura K, Mizumoto T, Eguchi K, Anzai N, Tomita K, Arsali M, Athanasiou Y, Demosthenous P, Voskarides K, Deltas C, Pierides A. Genetic diseases / Molecular mechanisms. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Stekrova J, Reiterova J, Elisakova V, Merta M, Kohoutova M, Tesar V, Suvakov S, Damjanovic T, Dimkovic N, Pljesa S, Savic-Radojevic A, Pljesa-Ercegovac M, Matic M, Djukic T, Coric V, Simic T, Gigante M, d'Altilia M, Montemurno E, Schirinzi A, Bruno F, Netti GS, Ranieri E, Stallone G, Infante B, Grandaliano G, Gesualdo L, Maritati F, Alberici F, Bonatti F, Oliva E, Sinico RA, Moroni G, Leoni A, Gregorini G, Jeannin G, Possenti S, Tumiati B, Grasselli C, Brugnano R, Salvarani C, Fraticelli P, Pavone L, Pesci A, Guida G, Neri TM, Buzio C, Malerba G, Martorana D, Vaglio A, Santucci L, Candiano G, Cremasco D, Tosetto E, Del Prete D, Bruschi M, Ghiggeri GM, Anglani F, Rainone F, Soldati L, Terranegra A, Arcidiacono T, Aloia A, Dogliotti E, Vezzoli G, Maruniak-Chudek I, Zenker M, Chudek J, Reiterova J, Obeidova L, Stekrova J, Lnenicka P, Tesar V, Iwanitskiy LV, Krasnova TN, Samokhodskaya LM, Bernasconi AR, Albarracin L, Liste AA, Politei JM, Heguilen RM, Kaito H, Nozu K, Nakanishi K, Hashimura Y, Shima Y, Ninchoji T, Yoshikawa N, Iijima K, Matsuo M, Hur E, Gungor O, Bozkurt D, Bozgul SMK, Caliskan H, Dusunur F, Basci A, Akcicek F, Duman S, Li Y, Wang C, Nan L, Hruskova Z, Brabcova I, Lanska V, Honsova E, Hanzal V, Borovicka V, Reiterova J, Rysava R, Zachoval R, Viklicky O, Tesar V, Miltenberger-Miltenyi G, Almeida E, Calado J, Carvalho F, Pereira S, Teixeira C, Jorge S, Viana H, Gomes da Costa A, Yang CS, Tseng MH, Yang SS, Lin SH. Genetic diseases and molecular genetics. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.28] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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18
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Pavone P, Pettoello-Mantovano M, Le Pira A, Giardino I, Pulvirenti A, Giugno R, Parano E, Polizzi A, Distefano A, Ferro A, Pavone L, Ruggieri M. Acute disseminated encephalomyelitis: a long-term prospective study and meta-analysis. Neuropediatrics 2010; 41:246-55. [PMID: 21445814 DOI: 10.1055/s-0031-1271656] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND There are only a few series in the literature on acute disseminated encephalomyelitis (ADEM) in children. OBJECTIVES AND METHODS the aims of this study were to perform (i) a prospective clinical/imaging study (1992-2009) on ADEM in children consecutively referred to our institution in Catania, Italy, and (ii) to undertake a systematic review and meta-analysis of published ADEM pediatric cohorts (>10 cases). RESULTS We identified 17 patients with ADEM (incidence <10 years of age=1.1 per 100 000 person-years). 15 previously published cohorts were compared with our cohort: (i) systematically reviewed (750 cases); and (ii) meta-analyzed (492/750 cases). The 17 patients had the following characteristics: (a) male-to-female ratio, 1.4 (vs. 1.2-1.3 in previous cohorts); (b) mean age at presentation, 3.6 years (vs. 7.1 years in previous cohorts); (c) specific preceding triggering factor, 88% (vs. 69-79% in previous cohorts); (d) the most common initial signs were ataxia, seizures, headache, and thalamic syndrome; (e) brain imaging revealed >3 lesions in 100% (vs. 92% in previous cohorts); (f) the outcome was good in 94% (vs. 70-75% in previous cohorts); and (g) 12% relapsed once (vs. 18% in previous cohorts). CONCLUSIONS ADEM is generally a benign condition that mosly affects boys more than girls and rarely recurs.
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Affiliation(s)
- P Pavone
- Department of Pediatrics, University Hospital Vittorio Emanuele, Catania, Italy
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Fiumara A, Barone R, Arena A, Filocamo M, Lissens W, Pavone L, Sorge G. Krabbe leukodystrophy in a selected population with high rate of late onset forms: longer survival linked to c.121G>A (p.Gly41Ser) mutation. Clin Genet 2010; 80:452-8. [DOI: 10.1111/j.1399-0004.2010.01572.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Cassandrini D, Biancheri R, Tessa A, Di Rocco M, Di Capua M, Bruno C, Denora PS, Sartori S, Rossi A, Nozza P, Emma F, Mezzano P, Politi MR, Laverda AM, Zara F, Pavone L, Simonati A, Leuzzi V, Santorelli FM, Bertini E. Pontocerebellar hypoplasia: clinical, pathologic, and genetic studies. Neurology 2010; 75:1459-64. [PMID: 20956791 DOI: 10.1212/wnl.0b013e3181f88173] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Mutations in genes encoding subunits of the tRNA-splicing endonuclease (TSEN) complex were identified in patients with pontocerebellar hypoplasia 2 (PCH2) and pontocerebellar hypoplasia 4 (PCH4). OBJECTIVE We report molecular genetic findings in 12 Italian patients with clinical and MRI findings compatible with PCH2 and PCH4. METHODS We retrospectively selected a cohort of 12 children from 9 Italian families with MRI of hypoplastic pontocerebellar structures and clinical manifestations suggesting either PCH2 or PCH4 and submitted them to direct sequencing of the genes encoding the 4 subunits of the TSEN complex, namely TSEN54, TSEN34, TSEN15, and TSEN2. RESULTS In a cohort of 12 children, we detected the common p.A307S mutation in TSEN54 in 9/12 available patients from nine unrelated families. We also detected a novel c.1170_1183del (p. V390fs39X) in compound heterozygosity with the common p.A307S in a child with a severe PCH4 phenotype. In another severely affected patient, the second mutant allele was not identified. Two sibs without mutations in the TSEN complex were unlinked to the PCH3 locus. In addition to typical clinical and neuroradiologic features of PCH2, both children were affected by a tubulopathy resembling Bartter syndrome. CONCLUSIONS We confirm that the common p.A307S mutation in TSEN54 is responsible for most of the patients with a PCH2 phenotype. The presence of a heterozygous in/del variant correlates with a more severe phenotype as PCH4. In addition, we describe a new clinical form of PCH in 2 sibs with clinical and MRI features of PCH2.
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Affiliation(s)
- D Cassandrini
- Muscular and Neurodegenerative Disease, G. Gaslini Institute, Genoa, Italy
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Lionetti E, Pavone P, Kennerknecht I, Failla G, Schepis C, De Pasquale R, Pavone L, Ruggieri M. Neurological manifestations in individuals with pure cutaneous or syndromic (Ruggieri-Happle syndrome) phenotypes with "cutis tricolor": a study of 14 cases. Neuropediatrics 2010; 41:60-5. [PMID: 20799151 DOI: 10.1055/s-0030-1261919] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND The term cutis tricolor describes the combination of congenital hyper- and hypo-pigmented skin lesions in close proximity to each other in a background of normal complexion. This phenomenon has been reported so far: (i) as pure cutaneous trait, (ii) as a part of a complex malformation syndrome (Ruggieri-Happle syndrome--RHS), (iii) as a distinct type (cutis tricolor parvimaculata); (iv) in association with other (e. g., vascular) skin disturbances. AIM The aim of this study was to define the spectrum of neurological abnormalities in cutis tricolor. METHODS A retrospective and prospective 14-year study of clinical, electroencephalographic (EEG), neuroradiological (MRI), cytogenetic and ZFHX1B gene studies of 14 individuals (8 M, 6 F; aged 2-28 years) with cutis tricolor (4 pure cutaneous; 10 syndromic) was undertaken. RESULTS Neurological involvement was recorded in 71.4% (10/14) of the patients [100% (10/10) in RHS and null (0/4) in cases with isolated skin manifestations] and included psychomotor delay (n=8), seizures (n=9), EEG abnormalities (n=6), a behavioural phenotype (n=4), non-specific brain abnormalities (n=6). Genetic analyses excluded ZFHX1B mutations and revealed a 19qter deletion (n=1). CONCLUSIONS Even though we could not exclude the ascertainment and referral biases, we concluded that cutis tricolor may be a marker of underlying neurological involvement particularly in subjects with a syndromic (RHS) phenotype.
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Affiliation(s)
- E Lionetti
- Department of Paediatrics, University of Catania, Catania, Italy
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Lionetti E, Francavilla R, Ruggieri M, Di Stefano V, Principi MB, Pavone L. Recurrent peptic ulcer disease in a pediatric patient with type 1 neurofibromatosis and primary ciliary dyskinesia. Minerva Pediatr 2009; 61:557-559. [PMID: 19794381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Neurofibromatosis type 1 is an autosomal dominant neurocutaneous disorder with characteristic features of skin and central nervous system involvement. Gastrointestinal complications are rare, especially during childhood. In adults, only two cases of peptic ulcer have been reported in neurofibromatosis, both due to Zollinger-Ellison syndrome. Peptic ulcer disease (PUD) may be primary or secondary in nature and it may be life threatening in the acute phase due to the risk of perforation. A case of recurrent gastrointestinal hemorrhage in a child with systemic neurofibromatosis and primary ciliary dyskinesia (PCD) is presented. The upper gastrointestinal endoscopy revealed the presence of multiple gastric ulcers. The ulcers scarred after the long-term administration of a proton pump inhibitor (PPI), but recurred after the suspension. Laboratory and imaging studies excluded Zollinger-Ellison syndrome and other known causes of PUD, suggesting a potential role of neurofibromatosis itself and primary ciliary dyskinesia in developing of recurrent PUD. As early diagnosis of PUD is vital for patient survival, this case report highlights the possible association of neurofibromatosis and PCD with this condition, responsive to PPI therapy and the potential need of gastric protection before complications arise.
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Affiliation(s)
- E Lionetti
- Department of Pediatrics, University of Catania, Catania, Italy.
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Abstract
Endogenous opioid peptides (EOP), through G-protein-coupled receptors, control metabolism and many physiological and pathological conditions. Once EOP are linked to their receptors, above all µ-opioid receptor (MOR), a block of the Ca2+ channel occurs (Sciorsci et al. 2000 Immunopharm. Immunotox. 22, 575–626). The disruption of Ca2+ homeostasis interferes with many Ca2+-mediated/dependent actions. Our previous studies demonstrated the presence of MOR in human, bovine, and equine oocytes, in sperm cells of several species (equine, canine, etc.), in mare's tube, in ovine, bovine and mouse embryos. The presence of MOR on the male canine gamete lets us hypothesize its presence on the female gamete, too. In this study we demonstrated the presence of MOR on canine oocytes by immunofluorescence (IF) and western blot (WB) analysis, and we speculate on its possible functional role. Canine ovaries were obtained from healthy bitches randomly chosen among those arriving at our veterinary hospital for surgical ovariectomy without considering the period of their reproductive cycle. Oocytes were collected by ovary slicing and tested to check for the presence of MOR. For IF, oocytes were washed in 100 mm glycine in PBS and incubated for 30 min in PBS-1% BSA. Control oocytes were incubated with primary rabbit polyclonal antibody against the rat 3rd extracellular loop of MOR (Chemicon, Temecula, CA, USA). All oocytes were incubated for 2 h at room temperature with a FITC-conjugated anti-rabbit IgG-secondary antibody diluted 1:200 in Evans blue/PBS, washed, and visualized by laser scanning confocal microscope. For the WB, crude plasma membranes were obtained from pools of oocytes. They were lysed in Laemli buffer and loaded on sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis (PAGE) gels. After electrophoresis, proteins were electrotransferred (semi-dry apparatus, BioRad, Milano, IT) to Immobilon-P membranes (Millipore, Bedford, MA, USA). Filters were blocked for 1 h and blotted overnight at 4�C against the same primary antibody used for IF, diluted 1:7500 in blocking buffer. After washing, membranes were incubated with a 1:10 000 dilution of peroxidase-conjugated goat anti-rabbit IgG secondary antibody for 2 h at room temperature. Reactive bands were visualized by Supersignal West Pico Chemiluminescent substrate (Pierce, Milano, IT). A negative control was performed. The IF highlighted, by clear brilliant green, the MOR's localization on canine oocytes. The negative control did not present any fluorescent region or spotted coloring. The WB revealed the presence of one immunoreactive band of approximately 65 kDa, thus confirming the results obtained by IF. No reactivity was evident when the primary antibody was adsorbed with an excess of immunizing peptide. The presence of MOR on canine oocytes indicates its possible role in the modulation of oocyte metabolism. These data strongly confirm previous evidence from our research unit on the involvement of the opioidergic system during gamete development and interaction, thus allowing us to speculate on a primary role of MOR in controlling key events of the reproductive activity.
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Cattaneo L, Chierici E, Pavone L, Grasselli C, Manganelli P, Buzio C, Pavesi G. Peripheral neuropathy in Wegener's granulomatosis, Churg-Strauss syndrome and microscopic polyangiitis. J Neurol Neurosurg Psychiatry 2007; 78:1119-23. [PMID: 17299018 PMCID: PMC2117551 DOI: 10.1136/jnnp.2006.111013] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To compare the clinical aspects of peripheral neuropathy associated with Wegener's granulomatosis (WG), Churg-Strauss syndrome (CSS) and microscopic polyangiitis (MP). METHODS Cohort study conducted in a single university hospital. Patients were included when a definite diagnosis of WG, CSS or MP was made according to the current classification criteria in our hospital, between 1999 and 2006. All patients underwent periodically clinical and electrophysiological screening for peripheral neuropathy, assessment of disability, and clinical and laboratory evaluation during a mean follow-up of 38 months. RESULTS Sixty-four consecutive patients diagnosed with WG (26 patients), CSS (26 patients) and MP (12 patients) were recruited. Peripheral neuropathy occurred in 27/64 patients: six with WG, 15 with CSS and six with MP. Neuropathy occurred earlier in the disease history in CSS and MP compared with WG. Among patients with WG, those who developed peripheral neuropathy during follow-up were older than those without neuropathy both at the time of onset and of diagnosis of vasculitis. Distal symmetric polyneuropathy was present in 11 patients, and single or multiple mononeuropathy in 16. Patients with WG had a less severe form of mononeuritis multiplex than CSS or MPA patients. Disability and pain were greater in patients with mononeuropathy, although one-third of them were painless. Relapses of neuropathy were extremely infrequent. CONCLUSIONS Peripheral neuropathy in WG occurs less frequently, later in the disease course and in a milder form than in CSS and MP. Single or multiple mononeuropathy associated with these subsets of vasculitis can often be painless.
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Affiliation(s)
- Luigi Cattaneo
- Sezione di Neurologia, Dipartimento di Neuroscienze, Università degli Studi di Parma, Via Gramsci 14, 43100 Parma, Italy.
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Pavone L, Grasselli C, Chierici E, Maggiore U, Garini G, Ronda N, Manganelli P, Pesci A, Rioda WT, Tumiati B, Pavesi G, Vaglio A, Buzio C. Outcome and prognostic factors during the course of primary small-vessel vasculitides. J Rheumatol 2006; 33:1299-306. [PMID: 16783858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
OBJECTIVE To identify the prognostic factors of relapse and/or death during the course of primary small-vessel vasculitides (PSVV), and to differentiate their prognostic relevance by the type of vasculitis. METHODS Seventy-five patients were retrospectively followed up after diagnosis: 36 with Wegener's granulomatosis (WG), 23 with Churg-Strauss syndrome (CSS), and 16 with microscopic polyangiitis. Cox regression analysis was used to identify the significant predictors of relapse and death. RESULTS Gastrointestinal (GI) involvement was associated with an increased risk of relapse, mainly in the patients with CSS, whereas renal disease and perinuclear antineutrophil cytoplasmic antibody positivity were correlated with a lower risk of relapse. Presence of nasal Staphylococcus aureus tended to increase the risk of relapse in CSS [hazard ratio (HR) 4.45, p = 0.087], but to decrease it in WG (HR 0.12, p = 0.066). Older age, renal and hepatic involvement, erythrocyte sedimentation rate >or= 100 mm/h, and serum creatinine level >or= 1.5 mg/dl were all related to higher risk of death in univariate analysis; however, only cerebral (HR 8.52, p = 0.021) and hepatic involvement (HR 4.40, p = 0.028) and serum creatinine level >or= 1.5 mg/dl (HR 5.72, p = 0.044) were independently correlated with an unfavorable prognosis for survival. The risk of death associated with each of these indicators did not depend on the form of PSVV. CONCLUSION GI involvement increases the risk of relapse in CSS, whereas the prognostic significance of nasal S. aureus in terms of relapse seems to be opposite in patients with CSS and those with WG. Patients with cerebral, hepatic, and renal involvement have the poorest prognosis for survival. Our data do not show that the prognostic relevance of these factors depends on the form of PSVV.
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Affiliation(s)
- Laura Pavone
- Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, and Dipartimento di Neuroscienze, Università degli Studi di Parma, Parma, Italy.
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Pelà G, Tirabassi G, Pattoneri P, Pavone L, Garini G, Bruschi G. Cardiac involvement in the Churg-Strauss syndrome. Am J Cardiol 2006; 97:1519-24. [PMID: 16679097 DOI: 10.1016/j.amjcard.2005.11.088] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2005] [Revised: 11/29/2005] [Accepted: 11/29/2005] [Indexed: 10/24/2022]
Abstract
Churg-Strauss syndrome (CSS) is a rare systemic disease characterized by necrotizing vasculitis and peripheral eosinophilia. Cardiac involvement is considered common and is given a high rank among the causes of morbidity and mortality. The aim of this study was an update on the cardiac manifestations of this syndrome using a noninvasive approach. Sixteen patients with CSS were compared with a gender- and age-matched group of 20 healthy subjects. All patients but 1 were receiving treatment (steroids and/or immunosuppressive drugs). According to the Birmingham vasculitis activity score, 12 patients were in an active phase, and 4 were in drug-induced remission. All subjects underwent M-B-mode echocardiography and Doppler tissue echocardiography. Heart failure, life-threatening arrhythmias, and other prominent manifestations of heart disease were not observed. No differences were found in left ventricular diameter, volume, mass, or ejection fraction. The 2 groups did not differ in right ventricular diameter and pulmonary pressure. Few and nonspecific changes were detected by 2-dimensional echocardiography, including subclinical pericardial effusion and mitral regurgitation, in fewer than half the subjects. Subjects with CSS showed an impairment of ventricular relaxation. Changes were more prominent in the right ventricle. The peak velocity (PV) of early diastolic tricuspid inflow (E) was about 8% less than in controls, and the velocity of late diastolic inflow (A) was 35% greater. The E/A(PV) ratio was, on average, 33% less. In the left ventricle, E(PV) was 11% less and A(PV) 11% greater. The E/A ratio was decreased by 22%. Doppler analysis of tissue kinetics confirmed these indications. In the right ventricle, E(PV) was decreased by 10% and A(PV) was increased by 20% in the patient group. The E/A(PV) ratio was decreased by 29%. In the left ventricle, in which different sites were sampled, the average changes were -15%, +1%, and -23%, respectively. In the left ventricle, the velocity of systolic contraction was also decreased by 12%. Because of the small group size, only some of these differences were statistically significant. In conclusion, these moderate changes, devoid of clinical correlates, contrast with early reports emphasizing cardiac morbidity and poor prognosis in this syndrome.
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Affiliation(s)
- Giovanna Pelà
- Department of Internal Medicine, Nephrology and Prevention Sciences, University of Parma, Parma, Italy.
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Poli D, Pavone L, Tansinda P, Goldoni M, Tagliavini D, David S, Mutti A, Franchini I. Organic contamination in dialysis water: trichloroethylene as a model compound. Nephrol Dial Transplant 2006; 21:1618-25. [PMID: 16490745 DOI: 10.1093/ndt/gfl036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Routine water monitoring in a haemodialysis centre revealed high trichloroethylene (TCE) concentrations. The aim of this study is to describe the measures adopted after organic contamination of dialysis water in order to avoid the possibility of patient exposure. We also carried out in vitro experiments to evaluate the accumulation of TCE in various devices normally used in a dialysis water treatment system (DWTS). METHODS In vivo and in vitro blood and water TCE levels were determined by means of solid phase microextraction-gas chromatography/mass spectrometer. RESULTS High TCE concentrations were found throughout the DWTS; acceptably low levels were obtained only by replacing the activated charcoal, ionic-exchange resins, microfilters and PVC pipes. The adsorption and realising capacities of these devices were tested in vitro, and the elimination curves made it possible to calculate the total percentage of the previously absorbed TCE mass released into the water. Evidence of exposure was confirmed by the relatively high TCE levels in the patient blood samples taken 30 days after the last exposure even if the subjects were asymptomatic. In vivo experiments showed that the blood gain of TCE through the low flux membrane during the course of dialysis was about 77+/-10.4% of the amount carried by dialysis fluid as calculated on the basis of its partition coefficient value (K(b/w) 3.75). CONCLUSIONS This study shows that, when present in dialysis water, the lipophilic TCE contaminant can accumulate in various devices, thus transforming them into possible sources of exposure. This highlights the importance of periodically monitoring dialysis water for organic substances that have a great affinity to the blood compartment, in order to prevent occasional or chronic patient exposure.
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Affiliation(s)
- Diana Poli
- National Institute of Occupational Safety and Prevention Research Center at the University of Parma, 43100 Parma, Italy.
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Pesci A, Pavone L, Buzio C, Manganelli P. Respiratory system involvement in ANCA-associated systemic vasculitides. Sarcoidosis Vasc Diffuse Lung Dis 2005; 22 Suppl 1:S40-8. [PMID: 16457016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
BACKGROUND AND AIM OF THE WORK The respiratory system may be involved in all systemic vasculitides (SV), although with a variable frequency. Lung disease is a very common and important feature of the antineutrophil cytoplasmic antibodies (ANCA)-associated SV (AASV), such as Wegener's granulomatosis (WG), Churg-Strauss syndrome (CSS), and microscopic polyangiitis (MPA). The aim of the work is to review the clinical findings, as well as the radiological and pathological features of respiratory system involvement in AASV. METHODS A detailed search via the PubMed index from the National Library of Medicine, covering the period from 1980 to December 2004, was accomplished. RESULTS In WG, almost all patients have either upper airway or lower respiratory tract disease. Solitary or multiple nodules and masses are the most common findings on chest radiograph. Asthma is a main symptom of CSS, often preceded by allergic rhinitis, frequently complicated by nasal polyposis and sinusitis. Pulmonary transient and patchy alveolar infiltrates are the most common radiographic findings. In MPA, diffuse alveolar haemorrhage (DAH) due to alveolar capillaritis is the most frequent manifestation of the respiratory involvement, clinically expressing with haemoptysis, respiratory distress and anaemia. CONCLUSIONS The involvement of the respiratory system is a very common and important feature of AASV. There is substantial overlap in many of the clinical pulmonary features of AASV. In some cases, distinguishing between these diseases on the basis of the clinical features alone is difficult and pathological assessment is needed.
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Affiliation(s)
- Alberto Pesci
- Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università di Parma, Italy.
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Sinico RA, Di Toma L, Maggiore U, Bottero P, Radice A, Tosoni C, Grasselli C, Pavone L, Gregorini G, Monti S, Frassi M, Vecchio F, Corace C, Venegoni E, Buzio C. Prevalence and clinical significance of antineutrophil cytoplasmic antibodies in Churg-Strauss syndrome. ACTA ACUST UNITED AC 2005; 52:2926-35. [PMID: 16142760 DOI: 10.1002/art.21250] [Citation(s) in RCA: 395] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Churg-Strauss syndrome (CSS) is classified among the so-called antineutrophil cytoplasmic antibody-associated systemic vasculitides (AASVs) because of its clinicopathologic features that overlap with the other AASVs. However, while antineutrophil cytoplasmic antibodies (ANCAs) are consistently found in 75-95% of patients with Wegener's granulomatosis or microscopic polyangiitis, their prevalence in CSS varies widely and their clinical significance remains uncertain. We undertook this study to examine the prevalence and antigen specificity of ANCAs in a large cohort of patients with CSS. Moreover, we evaluated the relationship between ANCA positivity and clinicopathologic features. METHODS Immunofluorescence and enzyme-linked immunosorbent assay were used to determine the presence or absence of ANCAs in 93 consecutive patients at the time of diagnosis. The main clinical and pathologic data, obtained by retrospective analysis, were correlated with ANCA status. RESULTS ANCAs were present by immunofluorescence in 35 of 93 patients (37.6%). A perinuclear ANCA (pANCA) pattern was found in 26 of 35 patients (74.3%), with specificity for myeloperoxidase (MPO) in 24 patients, while a cytoplasmic ANCA pattern, with specificity for proteinase 3, was found in 3 of 35 patients (8.6%). Atypical patterns were found in 6 of 30 patients with anti-MPO antibodies (20.0%). ANCA positivity was associated with higher prevalences of renal disease (51.4% versus 12.1%; P < 0.001) and pulmonary hemorrhage (20.0% versus 0.0%; P = 0.001) and, to a lesser extent, with other organ system manifestations (purpura and mononeuritis multiplex), but with lower frequencies of lung disease (34.3% versus 60.3%; P = 0.019) and heart disease (5.7% versus 22.4%; P = 0.042). CONCLUSION ANCAs are present in approximately 40% of patients with CSS. A pANCA pattern with specificity for MPO is found in most ANCA-positive patients. ANCA positivity is mainly associated with glomerular and alveolar capillaritis.
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Affiliation(s)
- Renato A Sinico
- Dipartimento di Nefrologia e Immunologia, Azienda Ospedaliera Ospedale San Carlo Borromeo, Milan, Italy.
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Abstract
We report on the incidence of seizures in 113 patients with Down Syndrome (DS), 43 coming from the OASI Institute for Research on Mental Retardation and Brain Aging, Troina, and 70 from the outpatient clinic of the Department of Pediatrics, University of Catania. We obtained the following results: 15 (13.2%) patients had seizures; 6 (5.3%) febrile seizures (FS) and 9 (7.9%) afebrile seizures (aFS). Among the latter group 2 patients had generalized tonic-clonic seizures, 3 partial complex seizures, and 4 infantile spasms. The seizures appeared early in life. Only 2 adult patients had seizures. These results suggest that patients with DS show a higher incidence of FS and of aFS than non-DS individuals. Seizures in DS may be an epiphenomenon of the neurological abnormalities, both anatomical and functional, usually observed in these patients.
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Affiliation(s)
- C Romano
- Oasi Institute for Research on Mental Retardation and Brain Aging, Troina, Italy
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31
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Ruggieri M, Iannetti P, Polizzi A, La Mantia I, Spalice A, Giliberto O, Platania N, Gabriele AL, Albanese V, Pavone L. Earliest clinical manifestations and natural history of neurofibromatosis type 2 (NF2) in childhood: a study of 24 patients. Neuropediatrics 2005; 36:21-34. [PMID: 15776319 DOI: 10.1055/s-2005-837581] [Citation(s) in RCA: 106] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Neurofibromatosis type 2 (NF2) is an autosomal dominant disease characterised by the development of multiple nervous system tumours, ocular abnormalities, and skin tumours. Although classically considered a disease of adults, initial signs and/or symptoms may be evident in childhood and are often unrecognised. OBJECTIVES The aim of this study was to identify the earliest clinical presentations of NF2 and to characterise the clinical course and outcome in children with NF2. METHODS We have performed a retrospective (years 1990-1998) and prospective (years 1998-2004) study of 24 patients (10 males, 14 females; currently aged 4 to 22 years) fulfilling the revised (Manchester) NF2 criteria seen at the Universities of Catania and Rome, Italy. RESULTS Causes of referral prior to a definitive diagnosis of NF2 were: 1) Ophthalmologic problems: early onset lens opacities (n = 3); strabismus (n = 3) and amblyopia (n = 3) (due to underlying cranial nerves and/or brain tumours); 2) Otolaryngology problems: hearing loss and tinnitus (n = 2) in early teens disregarded or treated as ear infections; hoarse (n = 1) or bitonal (n = 1) voice; 3) Neurological dysfunction: seizures secondary to intracranial meningioma (n = 1) or vestibular schwannomas (VS) (n = 1), neurological dysfunction related to brainstem and/or spinal cord tumours (n = 7), isolated and multiple cranial nerve deficits (n = 10), and peripheral neuropathy secondary to schwannomas (n = 4); 4) Skin manifestations: schwannomas misdiagnosed as neurofibromas because of associated café-au-lait spots (n = 2); café-au-lait spots (n = 8) and skin tumours (n = 3). A family history was relevant in 20 % of the patients. Molecular genetic analysis of the NF2 gene revealed typical truncating mutations in all the 5 familial cases and in 2/10 sporadic cases analysed. CONCLUSIONS Children with NF2 often first come to medical attention because of ocular, subtle skin, or neurological problems the significance of which is realised when they later present with more classical symptoms due to bilateral VS or other intracranial tumours. The clinical course at this young age is highly variable, depending on tumour burden, early surgical intervention, surgical outcome after tumour resection, and complications.
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Affiliation(s)
- M Ruggieri
- Institute of Neurological Science, National Research Council, Catania, Italy.
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Lusenti T, Rustichelli R, Cardarelli F, Pavone L, Borgatti PP, Manari A, Fioroni S, Giacometti P, Tirabassi G, Guiducci V. [A 'lucky' patient]. G Ital Nefrol 2005; 22:63-5. [PMID: 15786378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
A 72-year-old male diabetic patient admitted to our operative unit of nephrology and dialysis underwent hemodialytic treatment because of rapidly progressive renal failure. A moderate hypertensive state was associated to nephrotic proteinuria and microematuria. Renal angiography showed a severe stenosis of the right renal artery and a smaller left kidney. Right renal artery stenting induced a significant reduction in serum creatinine (Cr) and the patient discontinued with the dialytic treatment.
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Affiliation(s)
- T Lusenti
- U.O. di Nefrologia e Dialisi, Azienda Ospedaliera S. Maria Nuova, Reggio Emilia - Italy.
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Abstract
While interpretation of medical data is very often an ambiguous process, computers usually display results of recommendations, provided by both human experts and computer algorithms, as concrete data. This study proposes a visual presentation of relative degrees of uncertainty along with "standard" concrete medical data. A medical parameter (mean arterial pressure) is dynamically evaluated during surgery for being too low or too high. Fuzzy membership functions are utilized to display degrees of deviation in the form of a clear and concise pie chart. Thus, in the Operating Room the anesthesiologist can be provided with an easy statistical assessment of uncertainty of existing recommendations.
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Affiliation(s)
- M Krol
- Department of Anesthesiology, Mount Sinai School of Medicine, New York, New York 10029-6574, USA.
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Tumiati B, Zuccoli G, Pavone L, Buzio C. ENT Wegener's granulomatosis can hide severe central nervous system involvement. Clin Rheumatol 2004; 24:290-3. [PMID: 15940562 DOI: 10.1007/s10067-004-1025-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2004] [Accepted: 08/05/2004] [Indexed: 11/25/2022]
Abstract
The clinical manifestations of localised or early systemic forms of Wegener's granulomatosis (WG) do not require immediate treatment to save the patient's life and/or the function of a vital organ. The organs mainly involved are the ear, nose, throat (ENT) and lung, and the results of antineutrophil cytoplasmic antibody (ANCA) assays are frequently negative. We here describe three cases of the ANCA-negative early systemic form of WG with prevalent ENT involvement complicated by severe central nervous system (CNS) disease; in two cases, the only symptom was a mild headache. We conclude that, although apparently mild, the localised and early systemic forms of WG can hide CNS involvement and may require immediate treatment. This complication should be suspected and investigated in the case of patients with localised or early systemic disease especially in the presence of ENT involvement and negative ANCA assays.
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Affiliation(s)
- B Tumiati
- 2nd Department of Internal Medicine, S. Maria Nuova Hospital, Viale Risorgimento 53, 42100, Reggio Emilia, Italy.
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Abstract
Despite the consistent amount of information accumulated in recent years on multiple sclerosis (MS) in childhood, many clinicians still view this condition as an exclusively young adult-onset disease and do not consider that it may occur and manifest even during infancy and pre-school age, suggesting that the number of MS cases in the paediatric age group may have been underestimated. Thus, the need to have practical parameters for therapeutic, counselling and educational purposes in such settings as caring for patients whose onset of disease is at very early ages may increasingly arise for practising clinicians. In addition, the clinical and radiographic criteria for the diagnosis of MS have not been validated in a paediatric MS population; accordingly, inclusion age at onset (such as for research purposes) is generally over 10 years. To highlight the peculiarities that characterise MS when it begins at this young age we have reviewed the literature and summarised our preliminary results with the national registry of the Italian Society of Paediatric Neurology (SINP) Study Group on Childhood MS in the group of MS patients with the earliest onset of disease (i.e., <10 years of age).
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Affiliation(s)
- M Ruggieri
- Institute of Neurological Science, National Research Council, Viale R. Margherita 6, I-95125 Catania, Italy.
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36
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Giacosa R, Santi R, Vaglio A, Pavone L, Ferrozzi F, Passalacqua R, Buzio C. "Late" regressions of metastases from renal cancer after a period of disease progression continuing the same intermittent low dose immunotherapy regimen. Acta Biomed 2004; 75:126-30. [PMID: 15481703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
We here describe two patients with metastatic renal cell cancer (mRCC) treated with immunotherapy in whom the metastases completely regressed after a period of progressive disease. The treatment schedule was based on repeated cycles of low-dose recombinant interleukin-2 and recombinant interferon-alpha, and was never changed during the course of the disease. The first patient received immunotherapy because of multiple bilateral lung metastases. Progressive disease, with mediastinal lymph node involvement and an increased number of lung metastases, was observed after 30 months of regularly repeated therapy; complete regression was achieved after 60 months of immunotherapy (after 16 immunotherapy cycles). The second patient began immunotherapy because of three small lung metastases. Disease progression was observed after three cycles, but complete regression was obtained about 16 months after the start of immunotherapy (after 5 immunotherapy cycles). Long-term low-dose immunotherapy may bring about an effective anti-tumour response even late in the course of the disease and after an initial disease progression.
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Affiliation(s)
- Roberto Giacosa
- Department of Clinical Medicine, Nephrology and Health Science, University of Parma, Parma, Italy
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Abstract
PURPOSE A relationship between the urinary albumin excretion rate (UAE) and different types of tumors has been previously described but little is known about UAE and renal cell cancer (RCC). We evaluated the prognostic significance of UAE and its correlation with tumor clinicopathological findings in patients with RCC treated with recombinant interleukin-2 (rIL-2) and recombinant interferon-alpha (rIFN-alpha). Because rIL-2 and rIFN-alpha increase glomerular permeability, we also determined whether the first immunotherapy cycle induced a significant increase in UAE and whether it was related to tumor parameters. MATERIALS AND METHODS A total of 51 consecutive patients with RCC were enrolled. Inclusion criteria were patient age at diagnosis younger than 70 years and serum creatinine less than 1.8 mg/dl. Patients with central nervous system metastases and diabetes mellitus were excluded. Nephrectomy was followed by systemic treatment with 1-month cycles of low dose rIL-2 and rIFN-alpha, which were repeated every 4 months, UAE was determined before and after the first treatment cycle. RESULTS Univariate analysis showed that pre-cycle and post-cycle UAE greater than 30 mg/24 hours significantly influenced survival (p = 0.006 and 0.007, respectively). A multivariate model adjusted for age at onset, performance status, post-cycle UAE, tumor stage and grade, and metastases showed that pre-cycle UAE greater than 30 mg/24 hours had an independent prognostic role (p = 0.011). The first treatment cycle increased UAE 81.8% vs baseline (p = 0.002). The post-cycle vs pre-cycle increase was significant in patients with stages III-IV (p = 0.003) and grades 3-4 (p = 0.028) tumors. Pre-cycle and post-cycle UAE were significantly higher in stages III-IV than in stages I-II cases (p = 0.030 and 0.007, respectively). CONCLUSIONS UAE is an independent prognostic factor that is related to disease stage in patients with RCC.
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Affiliation(s)
- Augusto Vaglio
- Department of Clinical Medicine, Nephrology and Health Science, University of Parma, Italy
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Voit T, Parano E, Straub V, Schröder JM, Schaper J, Pavone P, Falsaperla R, Pavone L, Herrmann R. Congenital muscular dystrophy with adducted thumbs, ptosis, external ophthalmoplegia, mental retardation and cerebellar hypoplasia: a novel form of CMD. Neuromuscul Disord 2002; 12:623-30. [PMID: 12207929 DOI: 10.1016/s0960-8966(02)00018-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
At least six different forms of congenital muscular dystrophy are associated with structural changes of the central nervous system, and three of these have been mapped: merosin-deficient congenital muscular dystrophy on chromosome 6q2, Fukuyama congenital muscular dystrophy on chromosome 9q31, and muscle eye brain disease on chromosome 1p32. Walker-Warburg syndrome, congenital muscular dystrophy with calf hypertrophy, pontocerebellar hypoplasia, and normal eyes, and congenital muscular dystrophy with severe mental retardation and cerebellar cysts are nosologically distinct and have been excluded from the known congenital muscular dystrophy loci with structural changes of the central nervous system. Here, we describe a novel congenital muscular dystrophy syndrome which is phenotypically distinct from the recognized forms of congenital muscular dystrophy with brain involvement. Two siblings, a boy and a girl, were born to consanguineous parents from Sicily. Both children were born with adducted thumbs and toe contractures. They were floppy from birth, walked late, showed profound generalized muscle weakness including facial muscles, elevated creatine kinase levels of 200-700U/l, and histological changes compatible with muscular dystrophy. In addition, both showed ptosis, external ophthalmoplegia, mild mental retardation, and mild cerebellar hypoplasia on MRI. Immunocytochemistry showed normal expression of muscle membrane proteins including laminin alpha 2, laminin beta 2, and alpha-dystroglycan. Linkage analysis excluded the candidate loci on chromosomes 6q2, 9q31, and 1q32. The gene locus for congenital muscular dystrophy 1B, MDC 1B, on chromosome 1q42 was also excluded. Adducted thumbs are a distinct clinical sign that has not been reported in congenital muscular dystrophy before and should facilitate recognition of further patients with this disorder.
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Affiliation(s)
- Th Voit
- Department of Pediatrics and Pediatric Neurology, University Hospital Essen, Hufelandstrasse 55, D-45122, Essen, Germany.
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Buzio C, Andrulli S, Santi R, Pavone L, Passalacqua R, Potenzoni D, Ferrozzi F, Giacosa R, Vaglio A. Long-term immunotherapy with low-dose interleukin-2 and interferon-alpha in the treatment of patients with advanced renal cell carcinoma. Cancer 2002. [PMID: 11745283 DOI: 10.1002/1097-0142(20011101)92:9<2286::aid-cncr1575>3.0.co;2-i] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND The objective of this study was to evaluate response, toxicity, and immunologic effects of an original immunotherapy schedule based on repeated cycles of low doses of recombinant interleukin-2 (rIL-2) and recombinant interferon-alpha (rIFNalpha) in patients with metastatic renal cell carcinoma (mRCC). METHODS Fifty patients who underwent nephrectomy received therapeutic cycles consisting of subcutaneous rIL-2 for 5 days per week and intramuscular rIFNalpha twice weekly for 4 consecutive weeks. The cycle was regularly repeated indefinitely at 4-month intervals in all patients, irrespective of their response. rIL-2 (1 x 10(6) IU/m(2)) was administered every 12 hours on Days 1 and 2 and once per day on Days 3-5 of each week; rIFNalpha (1.8 x 10(6) IU/m(2)) was given on Days 3 and 5. Toxicity was graded according to the World Health Organization (WHO) criteria. Forty percent of the patients had only one metastatic disease site at the time of treatment. The Kaplan-Meier method was used to estimate survival, and an analysis of variance was used to evaluate the effects on leukocytes and lymphocyte subsets over time. RESULTS A total of 241 cycles were administered. One patient achieved a complete response, and five patients achieved a partial response. Five patients had stable disease, and 30 patients had progressive disease. Nine patients were not evaluable for response. The overall response rate was 12% (95% confidence interval, 3-21%) on the basis of an intent-to-treat analysis. The 36-month survival probability for all 50 patients was 47%. Treatment-related toxicity was limited to WHO Grades 1 and 2. Both lymphocyte and eosinophil levels significantly increased after all cycles (by 42% and 353%, respectively). The treatment also induced significant increases in the CD25 positive (24%), CD56 positive (28%), and CD3 negative/CD56 positive (54%) lymphocyte subsets. CONCLUSIONS Long-term, repeated treatment with low doses of rIL-2 and rIFNalpha is feasible in patients with mRCC. The schedule induces clinical response rates and survival probabilities are similar to those obtained using higher doses.
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Affiliation(s)
- C Buzio
- Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università degli Studi di Parma, Parma, Italy.
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40
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Buzio C, Andrulli S, Santi R, Pavone L, Passalacqua R, Potenzoni D, Ferrozzi F, Giacosa R, Vaglio A. Long-term immunotherapy with low-dose interleukin-2 and interferon-alpha in the treatment of patients with advanced renal cell carcinoma. Cancer 2001; 92:2286-96. [PMID: 11745283 DOI: 10.1002/1097-0142(20011101)92:9<2286::aid-cncr1575>3.0.co;2-i] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND The objective of this study was to evaluate response, toxicity, and immunologic effects of an original immunotherapy schedule based on repeated cycles of low doses of recombinant interleukin-2 (rIL-2) and recombinant interferon-alpha (rIFNalpha) in patients with metastatic renal cell carcinoma (mRCC). METHODS Fifty patients who underwent nephrectomy received therapeutic cycles consisting of subcutaneous rIL-2 for 5 days per week and intramuscular rIFNalpha twice weekly for 4 consecutive weeks. The cycle was regularly repeated indefinitely at 4-month intervals in all patients, irrespective of their response. rIL-2 (1 x 10(6) IU/m(2)) was administered every 12 hours on Days 1 and 2 and once per day on Days 3-5 of each week; rIFNalpha (1.8 x 10(6) IU/m(2)) was given on Days 3 and 5. Toxicity was graded according to the World Health Organization (WHO) criteria. Forty percent of the patients had only one metastatic disease site at the time of treatment. The Kaplan-Meier method was used to estimate survival, and an analysis of variance was used to evaluate the effects on leukocytes and lymphocyte subsets over time. RESULTS A total of 241 cycles were administered. One patient achieved a complete response, and five patients achieved a partial response. Five patients had stable disease, and 30 patients had progressive disease. Nine patients were not evaluable for response. The overall response rate was 12% (95% confidence interval, 3-21%) on the basis of an intent-to-treat analysis. The 36-month survival probability for all 50 patients was 47%. Treatment-related toxicity was limited to WHO Grades 1 and 2. Both lymphocyte and eosinophil levels significantly increased after all cycles (by 42% and 353%, respectively). The treatment also induced significant increases in the CD25 positive (24%), CD56 positive (28%), and CD3 negative/CD56 positive (54%) lymphocyte subsets. CONCLUSIONS Long-term, repeated treatment with low doses of rIL-2 and rIFNalpha is feasible in patients with mRCC. The schedule induces clinical response rates and survival probabilities are similar to those obtained using higher doses.
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Affiliation(s)
- C Buzio
- Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università degli Studi di Parma, Parma, Italy.
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Abstract
Sanfilippo disease, or mucopolysaccharidosis type III, results from the deficiency of lysosomal hydrolases, which impairs heparan sulfate metabolism. Clinically, the disease is characterized by a mild somatic phenotype combined with early severe neurodegenerative illness with prominent behavioral disturbance. We report clinical and molecular findings of a child with Sanfilippo disease type B (alpha-N>-acetylglucosaminidase deficiency) who presented at age 18 months with marked systemic involvement and normal initial psychomotor development. These findings suggest that atypical mucopolysaccharidosis type III patients may present with early somatic changes preceding the onset of overt neurologic symptoms and ensuring an early diagnosis and possible therapeutic intervention.
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Affiliation(s)
- R Barone
- Division of Pediatric Neurology, Department of Pediatrics, University of Catania, Catania, Italy
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42
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Pavone L, Andrulli S, Santi R, Majori M, Buzio C. Long-term treatment with low doses of interleukin-2 and interferon-alpha: immunological effects in advanced renal cell cancer. Cancer Immunol Immunother 2001; 50:82-6. [PMID: 11401029 PMCID: PMC11036839 DOI: 10.1007/s002620100175] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE We aimed to determine the immunological effects of low doses of recombinant interleukin-2 (rIL-2) and recombinant interferon-alpha (rIFN-alpha) in patients bearing advanced renal cell carcinoma. METHODS Twenty-seven patients received therapeutic cycles consisting of subcutaneous rIL-2 for 5 days per week and intramuscular rIFN-alpha twice weekly, for 4 consecutive weeks. The cycle was repeated indefinitely at regular 4-month intervals, for all patients. rIL-2 (1 x 10(6) IU/m2) was administered every 12 h on days 1 and 2 and once a day on days 3-5 of each week; rIFN-alpha (1.8 x 10(6) IU/m2) was given on days 3 and 5. In the enrolled patients, total and differential white blood cell counts, phenotypic analysis of some lymphocyte subsets, and soluble IL-2 receptor (sIL-2R), were investigated before and after each of the first six cycles of therapy (about 24 months of follow-up). RESULTS The cycles of immunotherapy induced a significant increase of total lymphocytes (37%, P < 0.001), eosinophils (222%, P < 0.001), CD25+ cells (27%, P=0.004), sIL-2R (174%, P < 0.001) and natural killer (NK) cells (CD3-CD56+) (61%, P < 0.001); the subset that expresses CD56 with high density (CD56+ bright) expanded more (233%, P < 0.001) than the subset expressing the same marker with low density (CD56+ dimmer) (15%, P = 0.043). Unlike the previous subsets, the treatment decreased significantly T-lymphocytes with NK cell marker (CD3+ CD56+) (28%, P = 0.011). No significant differences of effectiveness were found among the subsequent treatment cycles, except for CD25+ cells and sIL-2R (P = 0.036 and P = 0.005, respectively): the increase induced by immunotherapy was maximum after the first cycle and decreased progressively thereafter. CONCLUSIONS Long-term repeated cycles of low-dose immunotherapy induced repeated and significant expansion of one of the most important lymphocyte subsets for the non-MHC-restricted immune response to the tumour mass: CD3-CD56+ cells.
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Affiliation(s)
- Laura Pavone
- />Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università di Parma, Ospedale Maggiore, Via Gramsci, 14, 43100 Parma, Italy e-mail: Tel.: +39-521-991345; Fax: +39-521-292627, , , , IT
| | - Simeone Andrulli
- />Divisione di Nefrologia, Azienda ospedaliera A. Manzoni di Lecco, Italy, , , , IT
| | - Rosaria Santi
- />Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università di Parma, Ospedale Maggiore, Via Gramsci, 14, 43100 Parma, Italy e-mail: Tel.: +39-521-991345; Fax: +39-521-292627, , , , IT
| | - Maria Majori
- />Clinica Tisiopneumologica, Università di Parma, Parma, Italy, , , , IT
| | - Carlo Buzio
- />Dipartimento di Clinica Medica, Nefrologia e Scienze della Prevenzione, Università di Parma, Ospedale Maggiore, Via Gramsci, 14, 43100 Parma, Italy e-mail: Tel.: +39-521-991345; Fax: +39-521-292627, , , , IT
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Abstract
The purpose of this study was to report the results of the first two years' surveillance programme of acute flaccid paralysis (AFP) in Southern Italy (Calabria). All paediatric, neurology and infectious diseases wards from 23 hospitals were selected. Stool and serum samples to determine the presence of poliovirus were collected. Throat swabs were taken within 10 days of onset of illness. During the period March 1997-April 1999 eight cases of AFP were reported and four of them, three females and one male, occurred in children younger than 15 y of age, although none was confirmed as poliomyelitis. The rate of non-polio AFP in 1997 and 1998 was, respectively, 0.24 and 0.73 per 100 000 persons under 15 y of age. Our results demonstrated that an active surveillance has permitted us to immediately detect AFP cases and to exclude those due to wild polio virus and to vaccine-associated cases and indicated that our area seems to be 'polio-free'.
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Affiliation(s)
- I F Angelillo
- Chair of Hygiene, Medical School, University of Catanzaro Magna Graecia, Catanzaro, Italy.
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44
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Abstract
Pallister-Killian syndrome, an aneuploidy syndrome, comprises a characteristic facial appearance, mental retardation, and multiple other anomalies. It is caused by mosaicism with a supernumerary isochromosome 12p. This chromosomal abnormality has been reported also in human germ cell tumors. We report on a 15-year-old girl with Pallister-Killian syndrome and pineal tumor.
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Affiliation(s)
- L Mauceri
- Division of Pediatric Neurology, University of Catania, Catania, Italy
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45
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Abstract
The term hypomelanosis of Ito is applied to individuals with skin hypopigmentation along the lines of Blaschko. Even though originally described as a purely cutaneous disease, subsequent reports have included a 33% to 94% association with multiple extracutaneous manifestations mostly of the central nervous and musculoskeletal systems leading to frequent characterization as a neurocutaneous disorder. A number of reports claimed familial occurrence and supported single gene inheritance for hypomelanosis of Ito, but none has been proved. Miscellaneous chromosomal mosaicisms have been demonstrated in some but not all affected individuals. Thus, it has been suggested that hypomelanosis of Ito is not a single condition but rather a nonspecific manifestation (ie, a phenotype) of chromosomal mosaicism and that this term should now be dropped. In this article, we review these developments focusing on the neurologic and genetic aspects of hypomelanosis of Ito. Our personal experience with 41 hypomelanosis of Ito patients and literature review led us to conclude that (1) the term hypomelanosis of Ito has been often misapplied to individuals with nonspecific "patchy depigmentation of the skin" who had several conditions of different etiologies; (2) the white matter involvement seen at neuroimaging in most of our hypomelanosis of Ito patients was similar to that reported in well-defined neurocutaneous disorders, including Sjögren-Larsson syndrome and incontinentia pigmenti; (3) whatever figures we take for associated central nervous system abnormalities in hypomelanosis of Ito, these represent the most frequent extracutaneous findings and, therefore, the use of the term neurocutaneous disorder for hypomelanosis of Ito might well be appropriate.
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Affiliation(s)
- M Ruggieri
- Department of Paediatrics, University of Catania, Italy.
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Pavone L, Rizzo R, Pavone P, Curatolo P, Dobyns WB. Diffuse polymicrogyria associated with congenital hydrocephalus, craniosynostosis, severe mental retardation, and minor facial and genital anomalies. J Child Neurol 2000; 15:493-5. [PMID: 10921525 DOI: 10.1177/088307380001500715] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We report an infant boy with an apparently new malformation syndrome. The major anomalies showed by the patient include diffuse polymicrogyria, congenital hydrocephalus, craniosynostosis with severe scaphocephaly, severe mental retardation, intractable epilepsy, and minor facial and genital anomalies. Our review of the literature and two computerized dysmorphology databases found some papers reporting polymicrogyria or lissencephaly associated with craniosynostosis or hydrocephalus. None of the reported patients had a phenotype similar to that of our patient.
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Affiliation(s)
- L Pavone
- Clinica Pediatrica, Divisione di Neurologia Pediatrica, Universita' di Catania, Italy
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Abstract
Sotos syndrome is characterized by peculiar facies, prenatal and postnatal overgrowth, and developmental delay. The course of six patients with psychiatric, neurologic, and magnetic resonance imaging evaluations is reported. Three (50%) of the six patients were observed to have a tendency toward aggressiveness, including one who had pyromania.
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Affiliation(s)
- L Mauceri
- Division of Pediatric Neurology, University of Catania, Italy
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Barone R, Nigro F, Triulzi F, Musumeci S, Fiumara A, Pavone L. Clinical and neuroradiological follow-up in mucopolysaccharidosis type III (Sanfilippo syndrome). Neuropediatrics 1999; 30:270-4. [PMID: 10598840 DOI: 10.1055/s-2007-973503] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Mucopolysaccharidosis type III (Sanfilippo syndrome) is an autosomal recessive disorder characterised by progressive nervous system involvement with mental retardation, behavioural problems and seizures. Three patients, of 20 months to 12 years of age, were followed up for 3 years both clinically and by using brain magnetic resonance imaging (MRI). Our results suggest that in MPS III patients MRI findings, including atrophy and abnormal or delayed myelination, may precede the onset of overt neurological symptoms. The increasing neurological morbidity is accompanied by different degrees of progressive atrophic changes, mainly affecting the cerebral cortex and the corpus callosum. However, it appears that, across subjects, the rate of MRI changes is unrelated to the severity of the clinical phenotype. On this basis it could be argued that in MPS III the worsening of the neurological symptoms might not necessarily reflect only the progressive cerebral abnormalities detectable by MRI.
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Affiliation(s)
- R Barone
- Division of Paediatric Neurology, Pediatric Clinic, University of Catania, Italy
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Abstract
A possible role of the immune system in the pathogenesis of some neurologic disorders, including infantile autism, was recently postulated. This observation prompted the authors to investigate some immunologic aspects in a group of patients with Rett syndrome, a disorder still not completely clarified but with some points of commonality with infantile autism. Humoral and cell-mediated immunity were investigated in 20 females with Rett syndrome. Peripheral lymphocyte subsets revealed a reduced percentage of CD8+ suppressor-cytotoxic cells in all of the patients with Rett syndrome, resulting in an increased CD4+/CD8+ ratio. In addition, 15 (75%) of the 20 patients had low levels of natural killer cells. Soluble interleukin-2 receptor was elevated in the youngest patients. Antineuronal and antimyelin ganglioside antibodies were absent, as were antinuclear antibodies, antistriated muscle antibodies, and antismooth muscle antibodies. Immunoglobulin fractions and complement were normal for age in all of the patients.
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Affiliation(s)
- A Fiumara
- Department of Paediatric Neurology, Paediatric Clinic, University of Catania, Italy
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Abstract
OBJECTIVES To characterize MS patients with the earliest onset of disease. BACKGROUND MS-primarily a disease of young adulthood-begins in childhood in 3 to 5% of cases. However, onset before 10 years of age is considered exceptional. Accordingly, inclusion age at onset is generally between 10 and 59 years. METHODS Information was obtained on patients with MS treated at our institution (n = 6) or from reports in Medline or bibliographies. Onset of disease was before 6 years of age, for a total of 49 patients (29 girls, 20 boys). RESULTS All patients had clinically defined MS according to Poser's criteria; 22 were also laboratory supported. The female/male ratio (1.4) was lower than that usually recorded for adult onset MS (2.0) and that of MS with onset between 6 and 15 years (2.2 to 3.0). The group of patients (n = 5) with onset before 24 months of age showed the lowest ratio (0.6) and carried the most unfavorable prognosis. Among initial symptoms, ataxia was preponderant (61%). Optic nerve involvement became more frequent with age. Generalized or partial seizures occurred in 22% of cases. First inter-attack interval was less than 1 year in 63% of the cases. The yearly relapse rate ranged from 1.1 at disease onset to 0.2 after 9 years from disease onset. At follow-up (mean length 6.8 years), the disease was relapsing-remitting in 84% patients and the grade of recovery was complete in 64%. CONCLUSIONS Definite MS can be consistently diagnosed by current criteria for adult onset MS in patients with the earliest onset of disease who show peculiar clinical features and natural history. These findings may suggest a reconsideration of current lower limits for MS diagnostic criteria.
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Affiliation(s)
- M Ruggieri
- Department of Pediatrics, University of Catania, Italy
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