Publications by authors named "Salvatore Buono"

22 Publications

  • Page 1 of 1

KCNT1-related epilepsies and epileptic encephalopathies: phenotypic and mutational spectrum.

Brain 2021 Jun 11. Epub 2021 Jun 11.

Pediatric Neurology Department, Lyon University Hospital, 69500 Bron, France.

Variants in KCNT1, encoding a sodium-gated potassium channel (subfamily T member 1), have been associated with a spectrum of epilepsies and neurodevelopmental disorders. These range from familial autosomal dominant or sporadic sleep-related hypermotor epilepsy ((AD)SHE) to epilepsy of infancy with migrating focal seizures (EIMFS) and include developmental and epileptic encephalopathies (DEE). This study aims to provide a comprehensive overview of the phenotypic and genotypic spectrum of KCNT1 mutation-related epileptic disorders in 248 individuals, including 66 unpreviously published and 182 published cases, the largest cohort reported so far. Four phenotypic groups emerged from our analysis: i) EIMFS (152 individuals, 33 previously unpublished); ii) DEE other than EIMFS (non-EIMFS DEE) (37 individuals, 17 unpublished); iii) (AD)SHE (53 patients, 14 unpublished); iv) other phenotypes (6 individuals, 2 unpublished). In our cohort of 66 new cases, the most common phenotypic features were: a) in EIMFS, heterogeneity of seizure types, including epileptic spasms, epilepsy improvement over time, no epilepsy-related deaths; b) in non-EIMFS DEE, possible onset with West syndrome, occurrence of atypical absences, possible evolution to DEE with SHE features; one case of sudden unexplained death in epilepsy (SUDEP); c) in (AD)SHE, we observed a high prevalence of drug-resistance, although seizure frequency improved with age in some individuals, appearance of cognitive regression after seizure onset in all patients, no reported severe psychiatric disorders, although behavioural/psychiatric comorbidities were reported in about 50% of the patients, SUDEP in one individual; d) other phenotypes in individuals with mutation of KCNT1 included temporal lobe epilepsy, and epilepsy with tonic-clonic seizures and cognitive regression. Genotypic analysis of the whole cohort of 248 individuals showed only missense mutations and one inframe deletion in KCNT1. Although the KCNT1 mutations in affected individuals were seen to be distributed among the different domains of the KCNT1 protein, genotype-phenotype considerations showed many of the (AD)SHE-associated mutations to be clustered around the RCK2 domain in the C-terminus, distal to the NADP domain. Mutations associated with EIMFS/non-EIMFS DEE did not show a particular pattern of distribution in the KCNT1 protein. Recurrent KCNT1 mutations were seen to be associated with both severe and less severe phenotypes. Our study further defines and broadens the phenotypic and genotypic spectrums of KCNT1-related epileptic conditions and emphasizes the increasingly important role of this gene in the pathogenesis of early onset DEEs as well as in focal epilepsies, namely (AD)SHE.
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http://dx.doi.org/10.1093/brain/awab219DOI Listing
June 2021

Effectiveness of home-based preoperative pulmonary rehabilitation in COPD patients undergoing lung cancer resection.

Tumori 2020 Feb 23:300891619900808. Epub 2020 Feb 23.

Department of Medicine and Health Sciences "V. Tiberio," University of Molise, Campobasso, Italy.

Objective: To investigate the effectiveness of a home-based preoperative rehabilitation program for improving preoperative lung function and surgical outcome of patients with chronic obstructive pulmonary disease (COPD) undergoing lobectomy for cancer.

Methods: This was a prospective, observational, single-center study including 59 patients with mild COPD who underwent lobectomy for lung cancer. All patients attended a home-based preoperative rehabilitation program including a minimum of 3 sessions each week for 4 weeks. Each session included aerobic and anaerobic exercises. Participants recorded the frequency and the duration of exercise performed in a diary. The primary end point was to evaluate changes in lung function including predicted postoperative (PPO) forced expiratory volume in 1 second (FEV), 6-minute walking distance test (6MWD), PPO diffusing capacity for carbon monoxide (DLCO) %, and blood gas analysis values before and after the rehabilitation program. Postoperative pulmonary complications were recorded and multivariable analysis was used to identify independent prognostic factors (secondary end point).

Results: All patients completed the 4-week rehabilitation program. Thirteen of 59 (22%) patients (Group A) performed <3 sessions per week (mean sessions per week: 2.3±1.3); 46 of 59 (78%) patients (Group B) performed ⩾3 sessions per week (mean sessions per week: 3.5±1.6). The comparison of PPO FEV% and 6MWD before and after rehabilitation showed a significant improvement only in Group B. No significant changes in PPO DLCO% or in blood gas analysis values were seen. Nine patients presented postoperative pulmonary complications, including atelectasis ( = 6), pneumonia ( = 1), respiratory failure ( = 1), and pulmonary embolism ( = 1). Group A presented higher number of postoperative pulmonary complications than Group B (6 vs 3; = 0.0005). Multivariate analysis showed that the number of weekly rehabilitation sessions was the only independent predictive factor ( = 0.001).

Conclusions: Our simple and low-cost rehabilitation program could improve preoperative clinical function in patients with mild to moderate COPD undergoing lobectomy and reduce postoperative pulmonary complications. All patients should be motivated to complete at least 3 rehabilitation sessions per week in order to obtain significant clinical benefits. Our preliminary results should be confirmed by larger prospective studies.
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http://dx.doi.org/10.1177/0300891619900808DOI Listing
February 2020

Role of a digital tool in preoperative lung resection surgery assessment.

Digit Health 2019 Jan-Dec;5:2055207619885783. Epub 2019 Nov 5.

Anaesthesia and Intensive Care Unit, Vincenzo Monaldi Hospital, Italy.

The assessment of patients likely to undergo lung resection surgery is a multidisciplinary approach involving pulmonologists, surgeons and anaesthesiologists. In thoracic surgery, medical operability is also a calculation of postoperative lung function. A mobile application - PreParAPP MSD - to calculate postoperative lung function has been developed with the endorsement of the Italian Society of Anaesthesia, Analgesia and Intensive Care and with the unconditional support of MSD Italia. Thanks to a simple graphic interface, the calculation becomes fast and intuitive, while the possibility of storing and sharing data in an analytical and computerised way with other clinicians might help with the full assessment of patients without forcing them to undergo several medical examinations. These simple calculated parameters are performed by a minority of clinicians, generally anaesthesiologists. In our facility, there is a team involved in the perioperative evaluation of lung resection surgery (13 pulmonologists, 9 surgeons and 5 anaesthesiologists). In order to evaluate the possible Awareness towards postoperative lung function calculation better, we organised an internal survey with 27 clinicians who are members of such a team before and after the introduction of the PreParAPP MSD. It was found that after the introduction of PreParAPP MSD, the percentage of clinicians involved in postoperative lung function calculation rose from 18% to 70%. The implementation of a digital tool may help to improve guideline adherence, in accordance with other experiences in which such tools represented the start for various quality improvement purposes throughout the medical field.
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http://dx.doi.org/10.1177/2055207619885783DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6836304PMC
November 2019

Clinical and Genetic Findings in Children with Neurofibromatosis Type 1, Legius Syndrome, and Other Related Neurocutaneous Disorders.

Genes (Basel) 2019 07 31;10(8). Epub 2019 Jul 31.

Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Via L. De Crecchio 7, 80138 Napoli, Italy.

Pigmentary manifestations can represent an early clinical sign in children affected by Neurofibromatosis type 1 (NF1), Legius syndrome, and other neurocutaneous disorders. The differential molecular diagnosis of these pathologies is a challenge that can now be met by combining next generation sequencing of target genes with concurrent second-level tests, such as multiplex ligation-dependent probe amplification and RNA analysis. We clinically and genetically investigated 281 patients, almost all pediatric cases, presenting with either NF1 ( = 150), only pigmentary features (café au lait macules with or without freckling; ( = 95), or clinical suspicion of other RASopathies or neurocutaneous disorders ( = 36). The causative variant was identified in 239 out of the 281 patients analyzed (85.1%), while 42 patients remained undiagnosed (14.9%). The and genes were mutated in 73.3% and 2.8% of cases, respectively. The remaining 8.9% carried mutations in different genes associated with other disorders. We achieved a molecular diagnosis in 69.5% of cases with only pigmentary manifestations, allowing a more appropriate clinical management of these patients. Our findings, together with the increasing availability and sharing of clinical and genetic data, will help to identify further novel genotype-phenotype associations that may have a positive impact on patient follow-up.
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http://dx.doi.org/10.3390/genes10080580DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6722641PMC
July 2019

Management of chest impalement injury.

Int J Surg Case Rep 2019 23;61:123-126. Epub 2019 Jul 23.

Monaldi Hospital - Anesthesia and ICU, Italy.

Presentation Of Case: We will describe the case of a man who impaled himself on a greenhouse pole by falling off a ladder.

Discussion: The belated radiological exclusion of any spine and neck lesions forced the surgeons to operate with the patient supine and on a spine board, which prevented them from performing the classic thoracotomy and reaching the entry hole in the right scapula area.

Conclusion: A double thoracotomy and the expedient of a haemostatic plug, positioned simultaneously with the extraction of the pole, allowed to control bleeding with absolute safety margins.
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http://dx.doi.org/10.1016/j.ijscr.2019.07.043DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6664164PMC
July 2019

The spectrum of intermediate SCN8A-related epilepsy.

Epilepsia 2019 05 10;60(5):830-844. Epub 2019 Apr 10.

Neuroscience Department, Children's Hospital Anna Meyer, University of Florence, Florence, Italy.

Objective: Pathogenic variants in SCN8A have been associated with a wide spectrum of epilepsy phenotypes, ranging from benign familial infantile seizures (BFIS) to epileptic encephalopathies with variable severity. Furthermore, a few patients with intellectual disability (ID) or movement disorders without epilepsy have been reported. The vast majority of the published SCN8A patients suffer from severe developmental and epileptic encephalopathy (DEE). In this study, we aimed to provide further insight on the spectrum of milder SCN8A-related epilepsies.

Methods: A cohort of 1095 patients were screened using a next generation sequencing panel. Further patients were ascertained from a network of epilepsy genetics clinics. Patients with severe DEE and BFIS were excluded from the study.

Results: We found 36 probands who presented with an SCN8A-related epilepsy and normal intellect (33%) or mild (61%) to moderate ID (6%). All patients presented with epilepsy between age 1.5 months and 7 years (mean = 13.6 months), and 58% of these became seizure-free, two-thirds on monotherapy. Neurological disturbances included ataxia (28%) and hypotonia (19%) as the most prominent features. Interictal electroencephalogram was normal in 41%. Several recurrent variants were observed, including Ile763Val, Val891Met, Gly1475Arg, Gly1483Lys, Phe1588Leu, Arg1617Gln, Ala1650Val/Thr, Arg1872Gln, and Asn1877Ser.

Significance: With this study, we explore the electroclinical features of an intermediate SCN8A-related epilepsy with mild cognitive impairment, which is for the majority a treatable epilepsy.
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http://dx.doi.org/10.1111/epi.14705DOI Listing
May 2019

LMA® Protector™ versus traditional LMA to perform endobronchial ultrasound-guided transbronchial needle aspiration: a retrospective analysis.

Minerva Anestesiol 2019 Jul 29;85(7):756-762. Epub 2019 Mar 29.

Unit of Anesthesiology and Intensive Care, Vincenzo Monaldi Hospital, Naples, Italy.

Background: The aim of this study was to evaluate the use of laryngeal mask airway (LMA)® Protector™ by comparison with traditional LMA for performing endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).

Methods: This was a retrospective observational single-center study including 143 patients who underwent EBUS-TBNA for mediastinal staging of lung cancer. Patients were retrospectively divided into two groups based on whether a traditional LMA (traditional LMA group) or LMA Protector was used. Anesthesiologist outcomes, diagnostic yield of EBUS-TBNA, and complications related to the procedure were computed for each group and statistically compared.

Results: LMA traditional group and LMA Protector group counted 70 and 73 patients, respectively. LMA traditional group versus LMA Protector group showed no significant difference on time of LMA insertion (120±25 vs. 118±39 s; P=0.49), reposition rates (18% vs. 16%; P=0.78); systolic pressure (140±55 vs. 118±37 mmHg; P=0.59); diastolic pressure (82±15 vs. 90±26 mmHg; P=0.39); heart rate (82±9.9 vs. 83±20 bpm; P=0.49); SpO2 values (93±21% vs. 92±14%; P=0.63); diagnostic accuracy (91.3% vs. 92%; P=0.95), and patients' complications as nausea (4% vs. 3%; P=0.61); vomiting (3% vs. 1%, P=0.96); gastric aspiration (7% vs. 1%; P=0.08); and sore throat (7% vs. 3%; P=0.22). Conversely, LMA traditional group versus LMA Protector group presented a longer procedural time (47±23 vs. 38±17 s; P=0.02), higher number of passage to biopsy target lesion (4±0.5 vs. 3.1±0.6; P=0.01); higher rate of balloon ultrasound rupture (11% vs. 1%; P=0.01).

Conclusions: EBUS-TBNA conducted with LMA Protector is a useful strategy that reduced the procedural time and in theory ensured the comfort of patients. Our results should be confirmed by larger, prospective, randomized studies.
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http://dx.doi.org/10.23736/S0375-9393.19.13328-7DOI Listing
July 2019

Bronchial blocker positioning: learning curve and confidence in its use.

Minerva Anestesiol 2018 11 17;84(11):1254-1260. Epub 2018 Jan 17.

Anesthesia and Intensive Care, Vincenzo Monaldi Hospital, Naples, Italy.

Background: Despite being simple and safe to use and cheap, EZ blocker (EZB) remains underused probably because it requires particular skills in recognizing airway and in using fiber-bronchoscopy to check the exact position of their cuffs. Thus, we planned an education training program on the use of EZB for novices in anesthesia and evaluated the number of procedures required for the acquisition of the skills of this technique.

Methods: The educational training program included three different phases as follows. The first phase included a lecture on the utility of one-lung ventilation in thoracic surgery, on the use of the fiber- bronchoscopy and on the characteristics of EZB. The second phase consisted in a practical teaching course performed on a manikin model to acquire the skills in EZB. The third phase was a clinical training where each participant performed a defined number in patients scheduled for thoracic surgery procedures. The acquisition of dexterity and satisfaction were then statistically valuated.

Results: The dexterity in placing EZB significantly increased after six attempts (P<0.1). Participants acquired skills in correcting position EZB after 15 attempts. Participants increased their level of confidence with EZB (score 5.7±1.3) and were highly satisfied with the training received (score 5.8±1.6).

Conclusions: EZB is a valid strategy for obtaining one lung ventilation. Thus, it should be included in the armamentarium of all anesthetists interested in the field of thoracic surgery. Our teaching course seems to be a valuable method to instill easily and speedily in training novices in anesthesia the skills in placing EZB.
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http://dx.doi.org/10.23736/S0375-9393.18.12390-XDOI Listing
November 2018

Anterior mediastinal solitary fibrous tumor resection by da Vinci Surgical System in obese patient.

Int J Surg Case Rep 2017 14;38:163-165. Epub 2017 Jul 14.

Monaldi Hospital, Thoracic Surgery, Italy. Electronic address:

Introduction: Solitary fibrous tumors are uncommon soft tissue tumors initially reported only in the pleura but, in recent years, they have been described at many extra pleural sites, such as mediastinum. The treatment of choice is the extensive surgical resection that is curative for most benign lesions.

Presentation Of The Case: We present the case of solitary fibrous tumor of the anterior mediastinum in obese patient (BMI: 34.3) undergoing complete surgical resection by robotic-assisted thoracoscopic surgery with da Vinci Surgical System.

Discussion/conclusion: Robotic-assisted thoracoscopic surgery with da Vinci Surgical System is an interesting option for obese patient, at higher risk for deep sternal wound infection.
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http://dx.doi.org/10.1016/j.ijscr.2017.07.019DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5536822PMC
July 2017

Intratracheal Thyroid: A Different Approach.

Ann Thorac Surg 2017 Jul;104(1):e5-e7

Department of Anesthesia and Intensive Care, Vincenzo Monaldi Hospital-AORN dei Colli, Naples, Italy.

During embryonic development, the abnormal migration of thyroid tissue may cause ectopic localization of the gland in the intralaryngotracheal space. This case report describes the management of a young patient with a recent diagnosis of asthma. During bronchoscopy, a large mass occupying the tracheal lumen was discovered. After tracheotomy to protect the airway, an incisional biopsy was performed and revealed an intratracheal ectopic thyroid. The deep incisions through the tracheotomy to the base of the lesion allowed colloidal content to leak out of the mass until complete resolution of airway obstruction. Fifteen days later the patient was released totally rehabilitated.
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http://dx.doi.org/10.1016/j.athoracsur.2017.02.018DOI Listing
July 2017

Preoperative optimization with levosimendan in heart failure patient undergoing thoracic surgery.

Int J Surg Case Rep 2016 4;27:1-4. Epub 2016 Aug 4.

Thoracic Surgery, AORN dei Colli Vincenzo Monaldi Hospital, Naples, Italy. Electronic address:

Introduction: We present the case of a patient with dilatative cardiomyopathy waiting for heart transplantation with pleural effusion to be subjected to pleural biopsy, treated with preoperative infusion of levosimendan to improve heart performances.

Presentation Of Case: A 56-year-old man (BMI 22,49) with dilatative cardiomyopathy (EF 18%) presented right pleural effusion. The levosimendan treatment protocol consisted of 24h continuous infusion (0,1ug/kg/min), without bolus. The patient was under continuous hemodynamic monitoring prior, during and after levosimendan administration. The surgery for pleural biopsy was performed with uniportal Video Assisted Thoracoscopic approach (VATS).

Discussion: A significant increase of Cardiac Index (CI) and Stroke Volume Index (SVI) were observed at 4h after infusion initiation and was sustained during the next 24h after the end of infusion. Levosimendan administration was safe.

Conclusion: In this case the prophylactic preoperative levosimendan administration is safe and effective in cardiac failure patient undergoing thoracic surgery, but prophylactic preoperative levosimendan treatment in these patients merits further study.
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http://dx.doi.org/10.1016/j.ijscr.2016.08.003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4983642PMC
August 2016

How clinical experience leads anesthetists in the choice of double-lumen tube size.

J Clin Anesth 2016 Aug 16;32:1-3. Epub 2016 Mar 16.

Department of Anesthesia and Intensive Care, S. Maria Nuova IRCCS Hospital, Reggio Emilia, Italy.

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http://dx.doi.org/10.1016/j.jclinane.2015.12.030DOI Listing
August 2016

One-lung ventilation in tracheostomized patients: our experience with EZ-Blocker.

J Clin Anesth 2016 Jun 19;31:288-90. Epub 2016 Apr 19.

AORN dei Colli, Vincenzo Monaldi hospital.

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http://dx.doi.org/10.1016/j.jclinane.2016.02.008DOI Listing
June 2016

Major thoracic surgery in Jehovah's witness: A multidisciplinary approach case report.

Int J Surg Case Rep 2016 19;23:116-9. Epub 2016 Apr 19.

AORN dei Colli, Vincenzo Monaldi Hospital, Via Leonardo Bianchi, 80131 Napoli, Italy. Electronic address:

Introduction: A bloodless surgery can be desirable also for non Jehovah's witnesses patients, but requires a team approach from the very first assessment to ensure adequate planning.

Presentation Of The Case: Our patient, a Jehovah's witnesses, was scheduled for right lower lobectomy due to pulmonary adenocarcinoma. Her firm denies to receive any kind of transfusions, forced clinicians to a bloodless management of the case.

Discussion: Before surgery a meticulous coagulopathy research and hemodynamic optimization are useful to prepare patient to operation. During surgery, controlled hypotension can help to obtain effective hemostasis. After surgery, clinicians monitored any possible active bleeding, using continuous noninvasive hemoglobin monitoring, limiting the blood loss due to serial in vitro testing. The optimization of cardiac index and delivery of oxygen were continued to grant a fast recovery.

Conclusion: Bloodless surgery is likely to gain popularity, and become standard practice for all patients. The need for transfusion should be targeted on individual case, avoiding strictly fixed limit often leading to unnecessary transfusion.
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http://dx.doi.org/10.1016/j.ijscr.2016.04.024DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4855842PMC
June 2016

Intraoperative Extracorporeal Carbon Dioxide Removal During Apneic Oxygenation with an EZ-Blocker in Tracheal Surgery.

A A Case Rep 2016 Jun;6(11):358-61

From the Department of Anesthesia and Intensive Care, AORN dei Colli Vincenzo Monaldi Hospital, Naples, Italy.

Tracheal surgery requires continued innovation to manage the anesthetic during an open airway phase. A common approach is apneic oxygenation with continuous oxygen flow, but the lack of effective ventilation causes hypercapnia, with respiratory acidosis. We used extracorporeal carbon dioxide removal for intraoperative decapneization during apneic oxygenation in a 64-year-old woman who was scheduled for tracheal surgery because of tracheal stenosis caused by long-term intubation. Our findings demonstrate that even after 40 minutes of total apnea, using an EZ-blocker for oxygenation and external decapneization, hemodynamic and gas exchange variables never demonstrated any dangerous alterations.
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http://dx.doi.org/10.1213/XAA.0000000000000313DOI Listing
June 2016

EZ-Blocker in Tracheal Surgery.

J Cardiothorac Vasc Anesth 2015 Dec 26;29(6):e89-90. Epub 2015 Jul 26.

Anesthesia and Intensive Care AORN dei Colli Vincenzo Monaldi Hospital Naples, Italy.

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http://dx.doi.org/10.1053/j.jvca.2015.07.028DOI Listing
December 2015

Early diagnosis of Canavan syndrome: how can we get there?

BMJ Case Rep 2015 Aug 5;2015. Epub 2015 Aug 5.

Department of Neurology, AORN Santobono Pausilipon, Naples, Italy.

Canavan syndrome is a rare genetic disorder characterised by progressive severe leukodystrophy involving the degeneration of white matter. Currently, there is no effective therapy, but after recent studies using early gene therapy, the outcome has appeared to improve. It is of fundamental importance to recognise signs of neonatal Canavan syndrome early on. We describe a case of neonatal Canavan syndrome in which diagnosis was made only at the fourth month of age.
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http://dx.doi.org/10.1136/bcr-2014-208755DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533678PMC
August 2015

Primary herpes virus infection and ischemic stroke in childhood: a new association?

J Clin Neurosci 2014 Sep 13;21(9):1656-8. Epub 2014 Apr 13.

Department of Pediatrics, S. Maria delle Grazie Pozzuoli Hospital, Naples, Italy.

We describe, to our knowledge, the first case of arterial ischemic stroke after primary herpes simplex virus type 1 (HSV1) infection in a previously healthy child, without signs of encephalitis. A 10-year-old previously healthy girl was admitted to our hospital with acute left-sided hemiparesis which involved the lower half of her face. Submandibular lymphadenitis and oral vesicular lesions were present. MRI confirmed the suspicion of an acute ischemic stroke. Immunoglobulin M antibodies to HSV1 were detected. Cerebrospinal fluid polymerase chain reaction for herpes virus was negative. She was treated with aspirin (3mg/kg) and intravenous acyclovir (10mg/kg every 8 hours) for 21 days. Immunoglobulin G antibodies to HSV1 appeared 16 days after admission. Twelve months after her hospitalization the patient's examination was normal. Stroke should be considered a possible complication of HSV1 primary infection. Guidelines for the management of acute stroke in children are needed.
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http://dx.doi.org/10.1016/j.jocn.2013.12.023DOI Listing
September 2014

Aicardi and Turner syndrome in a 45,X0/46,XX female.

Clin Neurol Neurosurg 2013 Jun 13;115(6):820-2. Epub 2012 Aug 13.

Department of Neuro-sciences, "Santobono-Pausilipon" Hospital, Naples, Italy.

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http://dx.doi.org/10.1016/j.clineuro.2012.07.030DOI Listing
June 2013

Lack of SCN1A mutations in familial febrile seizures.

Epilepsia 2002 May;43(5):559-62

Laboratory of Human Genetics, E.O. Ospedali Galliera, Genova, Italy.

Purpose: Mutations in the voltage-gated sodium channel subunit gene SCN1A have been associated with febrile seizures (FSs) in autosomal dominant generalized epilepsy with febrile seizures plus (GEFS+) families and severe myoclonic epilepsy of infancy. The present study assessed the role of SCN1A in familial typical FSs.

Methods: FS families were selected throughout a collaborative study of the Italian League Against Epilepsy. For each index case, the entire coding region of SCN1A was screened by denaturant high-performance liquid chromatography. DNA fragments showing variant chromatograms were subsequently sequenced.

Results: Thirty-two FS families accounting for 91 affected individuals were ascertained. Mutational analysis detected a single coding variant (A3169G) on exon 16. The extended analysis of all family members and 78 normal controls demonstrated that A3169G did not contribute to the FS phenotype.

Conclusions: Our study demonstrated that SCN1A is not frequently involved in common FSs and suggested the involvement of specific FS genes.
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http://dx.doi.org/10.1046/j.1528-1157.2002.29301.xDOI Listing
May 2002