Cumulative Radiation Dose from Radiography in Preterm Infants during Hospitalisation

Lau, KYK; Hui, SCN; Cheung, HM; Ng, PC; Chu, Wai Kit

doi:10.12809/hkjr1615349

Cited by 3 publications

(1 citation statement)

References 23 publications

(27 reference statements)

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“…In the present study, 4 neonates were exposed to >1 mSV radiation, which is the maximum allowable radiation dose exposure during the whole pregnancy [1,4]. Similar observations of high cumulative dose of radiation exposure was made by Lau et al and Sutton et al [5,6]. Premature infants are often too small to easily target one area of the body without obscuring critical areas of interest.…”

Section: Discussionsupporting

confidence: 75%

Ionizing Radiation Exposure in NICU

et al. 2019

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The authors prospectively studied ionizing radiation exposure in consecutive 107 very low birth weight (VLBW) neonates, admitted to their Level III neonatal intensive care unit (NICU). Number of X-rays, their indications and calculated dose of radiation were documented. Their mean birth weight (+SD) and gestational age (+SD) were 1077 (±219.8) g and 29.7 (+2.57) wk respectively. Extremely low birth weight (ELBW) neonates underwent significantly higher radiographs when compared with VLBW neonates; 7.5(5-13.25) vs. 2(1-6); p < 0.0001. ELBW neonates received 3 times higher dose of radiation, when compared with VLBW neonates; 139.4 μsv (81.6-256.15) vs. 46.6 μsv (14.4-115.7); p < 0.0001. Seven percent of ELBW neonates received >1msv radiation. Lifetime risk associated with high radiation exposure during neonatal period is unknown. Every effort should be taken to reduce number of radiographs. Imaging modalities without radiation exposure such as, point of care ultrasound should be used wherever possible.

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Section: Discussionsupporting

confidence: 75%

Ionizing Radiation Exposure in NICU

et al. 2019

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Effect of Clinician-directed Technical Specifications on Entrance Skin Doses in Neonates

et al. 2023

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Radiological Studies in Very Low Birth Weight and Extremely Low Birth Weight Neonates: ‘ALARA’ Revisited

Jeetoo

Smith

Pitcher

2019

Journal of Tropical Pediatrics

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Background Very low birth weight (VLBW) and extremely low birth weight (ELBW) neonates are particularly susceptible to the adverse effects of ionizing radiation. There are limited data on radiographic practice among this population in resource-limited environments. Aim To estimate cumulative effective dose (ED) from diagnostic imaging in VLBW (1000–1500 g) and ELBW (<1000 g) neonates in a resource-limited setting. Method A retrospective analysis of all diagnostic imaging examinations performed on ELBW and VLBW neonates born in a large South African public-sector tertiary-level hospital from January through June 2015. Data were stratified by birth weight and imaging examination. The ED was estimated according to the method of Puch-Kapst. Non-parametric t-tests compared the number of radiographs and ED in VLBW and ELBW neonates, at 5% significance. Results Three hundred and ninety-three neonates with median birth weight 1130 (IQR: 930–1340) g were included; 265 (67%) were VLBW and 128 (33%) ELBW; 48 (12%) died at a median of 7 (IQR: 2–17) days. A median of 2 (IQR: 1–5) radiographs were performed per neonate, with median ED 28.8 (IQR: 14.4–90.8) μSv. The median radiographic exposures for VLBW and ELBW neonates were 1 (IQR: 1–4) and 4 (IQR: 2–9), respectively, (p < 0.0001) with median ED 14.4 (IQR: 14.4–70.4) μSv and 71.2 (IQR: 28.8–169.3) μSv, respectively, (p < 0.0001). Radiographic exposure for VLBW neonates was lower than previously documented for this population. Conclusion Neonatal radiographic practice in resource-limited settings has the potential to contribute to the discourse on international best practice.

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Cumulative Radiation Dose from Radiography in Preterm Infants during Hospitalisation

Cited by 3 publications

References 23 publications

Ionizing Radiation Exposure in NICU

Ionizing Radiation Exposure in NICU

Effect of Clinician-directed Technical Specifications on Entrance Skin Doses in Neonates

Radiological Studies in Very Low Birth Weight and Extremely Low Birth Weight Neonates: ‘ALARA’ Revisited

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