Role of pH and Specific gravity of Corrosive agents as Indic
The aim of this study was to evaluate the role of pH and specific gravity of ingested substance in determining endoscopy indications after corrosive ingestion. Simple and accessible methods are needed to determine the need for endoscopy. The aim of this study was to evaluate the role of pH and specific gravity of ingested substance in determining endoscopy indications after corrosive ingestion.

This prospective study included pediatric patients who presented after ingesting a corrosive substance. Relationships between the extent of damage detected by endoscopy and the patient’s age, physical examination findings, and the pH and specific gravity of the causative substance were evaluated.

Results:
--The degree of damage detected on endoscopy was significantly milder for corrosive substances with pH between 2 and 12.

--In addition, pH values between 2 and 12 were significantly more common among patients without physical examination findings.

--Specific gravity less than 1005 was associated with mild injury detected by video-endoscopy.

--Patients in whom severe injury was detected by endoscopy had marked findings on physical examination.

--There was no significant relationship between physical examination findings and the specific gravity of the causative substance.

Results of this study suggests that patients with no physical examination findings after corrosive ingestion and pH of the substances between 2 and 12 and specific gravity of the substances less than 1005 can be treated conservatively without undergoing endoscopy.

Source: https://onlinelibrary.wiley.com/doi/10.1111/ped.14931?af=R
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