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Cardiorespiratory and gastroesophageal reflux events often coexist in infants in Neonatal Intensive Care Unit (NICU) thus leading to drugs over-prescription and delayed discharge.
Through cardiorespiratory and pH-impedance monitoring this study aims to evaluate the temporal association between gastroesophageal reflux (GER) and cardiorespiratory (CR) events in a large number of infants with gastroesophageal reflux disease (GERD) and CR symptoms and, whether this association is significant, to clarify the impact of GER on CR events.
This is an observational retrospective study to describe the association between cardiorespiratory (CR) and gastroesophageal reflux (GER) events in infants who underwent synchronized 24h Multichannel Intraluminal Impedance/pH-metry (MII/pH) and CR monitoring for GER disease symptoms and CR events. Data are collected from medical records and database of the University Neonatal Intensive Care Unit of the Sant'Anna-Regina Margherita Children Hospital (Turin).
The symptom association probability (SAP) index is used to identify those infants with significant associations between GER and CR events. In the group of infants with a positive SAP index the differences in reflux characteristics are compared according to whether a reflux preceded or followed a cardiorespiratory event (30 s time window).
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| Measure | Description | Time Frame |
|---|---|---|
| SAP index | Symptom Association Probability (SAP) between gastroesophageal reflux and cardio-respiratory events. SAP is considered positive if > 95%. | calculated throughout 24 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Gastroesophageal reflux frequency | Reflux event is defined as: a drop of impedance to 50% of the basal value for at least 5 s, starting in the most distal channel and proceeding to one or more proximal channels and followed by a recovery of the impedance baseline values | calculated throughout 24 hours |
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Inclusion Criteria:
Exclusion Criteria:
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Infants admitted to the University Neonatal Intensive Care Unit of the Sant'Anna-Regina Margherita Children Hospital from January 2006 to December 2016 who underwent 24h synchronized pH-impedance and cardiorespiratory monitoring for GER disease symptoms and cardiorespiratory events.
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| Name | Affiliation | Role |
|---|---|---|
| Francesco Cresi, MD, PhD | University of Turin, Italy | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ospedale S.Anna di Torino | Torino | (to) | 10126 | Italy |
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| ID | Term |
|---|---|
| D005764 | Gastroesophageal Reflux |
| D001919 | Bradycardia |
| D001049 | Apnea |
| ID | Term |
|---|---|
| D015154 | Esophageal Motility Disorders |
| D003680 | Deglutition Disorders |
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
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| D004066 | Digestive System Diseases |
| D001145 | Arrhythmias, Cardiac |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |