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Mehri S, Zarrouk S, Finsterer J. Re: Propofol in Triple Trouble Kearns-Sayre Syndrome, Dyggve-Melchior-Clausen Syndrome, and Chromosome-9 Inversion. Sultan Qaboos Univ Med J 2024; 24:146-148. [PMID: 38434457 PMCID: PMC10906762 DOI: 10.18295/squmj.2.2024.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/10/2024] [Indexed: 03/05/2024] Open
Affiliation(s)
- Sounira Mehri
- Biochemistry Laboratory, University of Monastir, Monastir, Tunisia
| | - Sinda Zarrouk
- Genomis Platform, University of Tunis El Manar, Tunis, Tunisia
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Czosek RJ, Baskar S, Mohan S, Anderson JB, Spar DS. Incidence and outcome of arrhythmias and electrical disease in patients with Trisomy 18. Am J Med Genet A 2023; 191:2518-2523. [PMID: 37303261 DOI: 10.1002/ajmg.a.63324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 05/11/2023] [Accepted: 05/26/2023] [Indexed: 06/13/2023]
Abstract
Patients with Trisomy 18 have a high incidence of cardiac anomalies and are associated with early death. Because of early mortality, electrical system disease and arrhythmia has been difficult to delineate and the incidence remain unknown. We sought to describe the association and clinical outcomes of electrical system disease and cardiac tachy-arrhythmias in patients with Trisomy 18. This was a retrospective, single institutional study. All patients with Trisomy 18 were included in the study. Patient characteristics, congenital heart disease (CHD), conduction system and clinical tachy-arrhythmia data were collected on all patients. Outcomes including cardiac surgical interventions, electrical system interventions and death were collected until the time of study. Patients with tachy-arrhythmias/electrical system involvement were compared to those without to identify potential associated variables. A total of 54 patients with Trisomy 18 were included in analysis. The majority of patients was female and had associated CHD. AV nodal conduction system abnormalities with either first or second degree AV block were common (15%) as was QTc prolongation (37%). Tachy-arrhythmias were common with 22% of patients having at least one form of tachy-arrhythmia and associated with concomitant conduction system disease (p = 0.002). Tachy-arrhythmias were typically treatable with monitoring or medication with eventual resolution without need for procedural intervention. Although early death was common, there were no causes of death associated with tachy-arrhythmia or conduction system disease. In conclusion, patients with Trisomy 18 have a high incidence of conduction system abnormalities and burden of clinical tachy-arrhythmias. Although frequent, electrical system disease did not affect patient outcome or difficultly of care delivery.
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Affiliation(s)
- Richard J Czosek
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Shankar Baskar
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Shaun Mohan
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Kentucky Albert B. Chandler Hospital, Lexington, Kentucky, USA
| | - Jeffrey B Anderson
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - David S Spar
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, The Heart Institute, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
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Fancello V, Fancello G, Palma S, Monzani D, Genovese E, Bianchini C, Ciorba A. The Role of Primary Mitochondrial Disorders in Hearing Impairment: An Overview. Medicina (B Aires) 2023; 59:medicina59030608. [PMID: 36984609 PMCID: PMC10058207 DOI: 10.3390/medicina59030608] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Background. Defects of mitochondrial DNA (mtDNA) involved in the function of the mitochondrial electron transport chain can result in primary mitochondrial diseases (PMDs). Various features can influence the phenotypes of different PMDs, with relevant consequences on clinical presentation, including the presence of hearing impairment. This paper aims to describe the hearing loss related to different PMDs, and when possible, their phenotype. Methods. A systematic review was performed according to PRISMA guidelines, searching Medline until December 2022. A total of 485 papers were identified, and based on specified criteria, 7 were included in this study. Results. A total of 759 patients affected by PMDs and hearing loss were included. The age of patients ranged from 2 days to 78 years old, and the male-to-female ratio was 1.3:1. The percentage of subjects affected by hearing loss was 40.8%, (310/759), and in most cases, hearing impairment was described as sensorineural, bilateral, symmetrical, and progressive, with different presentations depending on age and syndrome severity. Conclusions. PMDs are challenging conditions with different clinical phenotypes. Hearing loss, especially when bilateral and progressive, may represent a red flag; its association with other systemic disorders (particularly neuromuscular, ocular, and endocrine) should alert clinicians, and confirmation via genetic testing is mandatory nowadays.
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Affiliation(s)
- Virginia Fancello
- ENT & Audiology Unit, Department of Neurosciences, University Hospital of Ferrara, 44124 Ferrara, Italy
- Correspondence: (V.F.); (S.P.)
| | - Giuseppe Fancello
- Department of Otorhinolaryngology, Careggi University Hospital, 50134 Florence, Italy
| | - Silvia Palma
- ENT & Audiology Department, University of Modena and Reggio Emilia, 41100 Modena, Italy
- Correspondence: (V.F.); (S.P.)
| | - Daniele Monzani
- ENT & Audiology Department, University of Verona, 37134 Verona, Italy
| | - Elisabetta Genovese
- ENT & Audiology Department, University of Modena and Reggio Emilia, 41100 Modena, Italy
| | - Chiara Bianchini
- ENT & Audiology Unit, Department of Neurosciences, University Hospital of Ferrara, 44124 Ferrara, Italy
| | - Andrea Ciorba
- ENT & Audiology Unit, Department of Neurosciences, University Hospital of Ferrara, 44124 Ferrara, Italy
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Finsterer J, Mehri S. Prevention of sudden death in Kearns-Sayre syndrome requires prospective studies. Pacing Clin Electrophysiol 2022; 45:1419-1420. [PMID: 36315646 DOI: 10.1111/pace.14614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Affiliation(s)
| | - Sounira Mehri
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health", Faculty of Medicine, Monastir, Tunisia
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