<?xml version="1.0" encoding="utf-8"?>
			<journal>
			<title>Journal of Pediatric Perspectives</title>
			<title_fa></title_fa>
			<short_title>JPP; J Ped Perspect</short_title>
			<subject>Medical Sciences</subject>
			<web_url>https://jpp.mums.ac.ir/</web_url>
			<journal_hbi_system_id>0</journal_hbi_system_id>
			<journal_hbi_system_user></journal_hbi_system_user>
			<journal_id_issn></journal_id_issn>
			<journal_id_issn_online>3060-7205</journal_id_issn_online>
			<journal_id_pii></journal_id_pii>
			<journal_id_doi></journal_id_doi>
			<journal_id_iranmedex></journal_id_iranmedex>
			<journal_id_magiran></journal_id_magiran>
			<journal_id_sid></journal_id_sid>
			<journal_id_nlai></journal_id_nlai>
			<journal_id_science></journal_id_science>
			<language>en</language>
			<pubdate>
				<type>jalali</type>
				<year>0</year>
				<month>0</month>
				<day>1</day>
			</pubdate>
			<pubdate>
				<type>gregorian</type>
				<year>2018</year>
				<month>3</month>
				<day>1</day>
			</pubdate>
			<volume>6</volume>
			<number>3</number>
			<publish_type>online</publish_type>
			<publish_edition>1</publish_edition>
			<article_type>fulltext</article_type>
			<articleset><article>
				<language>en</language>
				<article_id_issn></article_id_issn>
				<article_id_issn_online></article_id_issn_online>
				<article_id_pubmed></article_id_pubmed>
				<article_id_pii></article_id_pii>
				<article_id_doi></article_id_doi>
				<article_id_iranmedex></article_id_iranmedex>
				<article_id_magiran></article_id_magiran>
				<article_id_sid></article_id_sid>
				<title_fa></title_fa>
				<title>Atrial and Ventricular Electrocardiographic Dromotropic Disturbances in Down Syndrome Patients with Structurally Normal Heart: A Cross-Sectional Study</title>
				<subject_fa></subject_fa>
				<subject></subject>
				<content_type_fa></content_type_fa>
				<content_type></content_type>
				<abstract_fa><![CDATA[]]></abstract_fa>
				<abstract><![CDATA[Background: We designed a cross-sectional study to determine electrocardiographic disorders in Down syndrome patients with congenitally normal hearts in a bid to predict fatal cardiac arrhythmia in the future. Materials and Methods: We investigated 60 children with DS without congenital abnormal hearts. Sixty healthy juveniles were also included in the study as a control group. Physical examination, electrocardiography, and echocardiography were performed in all subjects. Corrected QT interval (QTc) was measured according to Bazett’s formula.  Results: Patients with DS consisted of 32 males (53.33%), and 28 females (46.66%), aged 6–13 (9.21 ± 6.24) years old. Healthy subjects comprised 31 males (51.66%), and 29 females (48.33%) with a mean age of 9.15 ± 5.01. The two groups were signiﬁcantly different in terms of heart rate (P=0.006), maximum P-wave duration (P=0.001), and P-wave dispersion (PWd, P=0.0001). There was no statistically significant difference regarding minimum P-wave duration (P=0.176). The patients with DS had a greater maximum QTc interval, QT dispersion, and corrected QT interval dispersion (QTc-d) than the healthy control subjects (P=0.001). However, there was no difference in maximum QT interval and minimum QTc interval between the two groups (P=0.67 and P=0.553, respectively). A positive correlation was found between age, heart rate, and all electrocardiographic variables. Conclusion: All DS patients, even in the absence of concomitant congenital heart disease should be followed up carefully by electrocardiography, looking for increased PWd and QTc-d to detect predisposed cases to arrhythmia.]]></abstract>
				<keyword_fa></keyword_fa>
				<keyword>Cardiovascular Abnormalities, Children, Down syndrome, Congenital heart defects</keyword>
				<start_page>7345</start_page>
				<end_page>7351</end_page>
				<web_url>https://jpp.mums.ac.ir/article_9648.html</web_url>
			<author_list><author>
				<first_name>Yazdan</first_name>
				<middle_name></middle_name>
				<last_name>Ghandi</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>y.ghandi@arakmu.ac.ir</email>
				<code>39968</code>
				<coreauthor>No</coreauthor>
				<affiliation>Assistant Professor, Department of Pediatric Cardiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author><author>
				<first_name>Mehrzad</first_name>
				<middle_name></middle_name>
				<last_name>Sharifi</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>m.sharifi@arakmu.ac.ir</email>
				<code>39969</code>
				<coreauthor>Yes</coreauthor>
				<affiliation>Assistant Professor, Department of Cardiovascular Surgery, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author><author>
				<first_name>Danial</first_name>
				<middle_name></middle_name>
				<last_name>habibi</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>dhabibi67@gmail.com</email>
				<code>39970</code>
				<coreauthor>No</coreauthor>
				<affiliation>Master of Sciences in Biostatistics, Department of Biostatistics and epidemiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author><author>
				<first_name>Saeed</first_name>
				<middle_name></middle_name>
				<last_name>Alinejad</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>alinejadsaeed264@yahoo.com</email>
				<code>39971</code>
				<coreauthor>No</coreauthor>
				<affiliation>Assistant Professor, Department of Neonatology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author><author>
				<first_name>Ali</first_name>
				<middle_name></middle_name>
				<last_name>Arjmand</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>aliargmand1@yahoo.com</email>
				<code>39972</code>
				<coreauthor>No</coreauthor>
				<affiliation>Assistant Professor, Department of Pediatrics, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author><author>
				<first_name>Sara</first_name>
				<middle_name></middle_name>
				<last_name>Nikdel</last_name>
				<suffix></suffix>
				<first_name_fa></first_name_fa>
				<middle_name_fa></middle_name_fa>
				<last_name_fa></last_name_fa>
				<suffix_fa></suffix_fa>
				<email>dr.saranikdel@gmail.com</email>
				<code>39973</code>
				<coreauthor>No</coreauthor>
				<affiliation>General Practitioner, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.</affiliation>
				<affiliation_fa></affiliation_fa>
				 </author></author_list>
				</article>
			</articleset>
			</journal>