Radiation Exposure in 212 Very Low and Extremely Low Birth Weight Infants

Puch-Kapst, Kathrin; Juran, R.; Stoever, B.; Wauer, Roland R.

doi:10.1542/peds.2008-1028

Cited by 66 publications

(49 citation statements)

References 30 publications

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“…The median ESD value (0.06 mGy) was higher than those proposed by the National Radiological Protection Board (50 mGy) (Hart et al, 2000) for neonatal chest X-ray examination, but lower than those proposed by the guidelines of the European Commission (80 mGy, European Commission, 1996). Our findings showed that the median ESD values or the number of X-ray procedures performed for each neonate were higher than those reported previously (Sutton et al, 1998;Ono et al, 2003;Donadieu et al, 2006;Bader et al, 2007;Baert et al, 2008;Puch-Kapst et al, 2009). Although low voltage-high tube current time product combination shows good image quality, it could lead to high ESD (Frayre et al, 2012;Porto et al, 2014).…”

Section: Discussioncontrasting

confidence: 63%

“…Therefore, mathematical equations have been suggested by several studies to calculate the radiation dose from radiographic examinations, and some reports have shown that the calculated value corresponds to direct measurement value in radiographic examinations (Ishiguchi et al, 2000;Kim et al, 2005). Since we use a mobile X-ray machine that cannot measure DAP, we calculated the ESD using the nondosimeter dosimetry method developed by Mori (Ibaragi Radiological Technologists Association et al, 1996) and compared our findings with those of other studies and reference values (Sutton et al, 1998;Ono et al, 2003;Donadieu et al, 2006;Bader et al, 2007;Baert et al, 2008;Puch-Kapst et al, 2009). The non-dosimeter dosimetry-M equation calculates the ESD according to the rectification method of the photographic equipment.…”

Section: Estimation Of the Patient Radiation Exposurementioning

confidence: 99%

“…Thus, the amount of radiation infants receive and the effect of diagnostic radiation must be carefully considered. The number of X-ray examinations performed on preterm neonates has been described in several studies (Ono et al, 2000(Ono et al, , 2003Datz et al, 2004;Donadieu et al, 2006;Bader et al, 2007;Puch-Kapst et al, 2009;Yu, 2010). Donadieu et al (2006) reviewed all preterm infants (gestational age < 34 weeks) in a NICU and found that the cumulative doses received were within the range of environmental ionizing radiation received over a similar period (United Nations Scientific Committee on the Effects of Atomic Radiation, 2000).…”

Section: Introductionmentioning

confidence: 99%

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Radiation exposure of very-low-birth-weight infants in neonatal intensive care units in Korea

et al. 2018

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To our knowledge, no study has reported the radiation doses of neonates admitted to neonatal intensive care units (NICUs) in Korea. Therefore, we evaluated the radiation frequency and dose of radiation performed in NICUs using mobile X-ray machines. We retrospectively analyzed the number of radiographs and doses among 290 very low-birth-weight infants (VLBWIs) admitted at our hospital between 2011 and 2016. We compared X-ray frequencies and radiation doses according to clinical characteristics and morbidities. The entrance surface doses (ESDs) were calculated using the non-dosimeter dosimetry formula. The median number of radiographs per infant was 26, and about 25% neonates had over 50 radiographs. The number of radiographs taken was higher for infants with low-birth-weight (LBW), respiratory distress syndrome, bronchopulmonary dysplasia, and longer central venous catheterization duration (p < 0.001 for all). The cumulative ESD was 0.18 to 9.89 mGy, and the ESD per radiograph was 0.049 to 0.069 mGy. The LBW and the more severe the neonates' condition, the greater was the radiation exposure. It is difficult to reduce the number of radiographic examinations, but the quality of examinations must be improved without compromising patient care. Additional studies are needed to minimize the cumulative exposure dose and achieve optimal image quality.

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Section: Discussioncontrasting

confidence: 63%

Section: Estimation Of the Patient Radiation Exposurementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Radiation exposure of very-low-birth-weight infants in neonatal intensive care units in Korea

et al. 2018

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“…Neonates with low birth weight have a risk of the various medical and surgical issues; for this reason, numerous cases of diagnostic radiography may occur for them during a short period [3]. Plain radiographs include frequently thoracic, abdomen and sometimes the spine [4], which small size of the premature infants makes cause that a major part of their body is placed in the background of radiography; for this cause, they receive a higher effective dose compared to the adult [5].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Radiation Dose Received by Premature Neonates Admitted to Neonatal Intensive Care Unit

et al. 2017

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BackgroundThis study aimed to evaluate the radiation dose received by premature neonates using diagnostic radiographies.MethodsThis cross-sectional study was conducted on 116 premature neonates with gestational age from 25 to 37 weeks; with the diagnosis of neonatal respiratory distress syndrome (NRDS) and tachypnea, they were admitted to a neonatal intensive care unit (NICU) at Ahvaz Imam Khomeini Hospital in 2015. For assessing the dose received, the model GR-200 thermoluminescent dosimeter (TLD) was used. For each premature neonate under radiation, three TLDs separately (one for each) were placed on surfaces of Ch1, T1, and G1 (chest, thyroid, and gonad of first newborn, respectively). Moreover, for the adjacent neonate at a distance of 60 - 100 cm, two TLDs were laid in the surfaces of T2 and G2 (thyroid and gonad of second newborn, respectively). The dose received by TLDs for any baby and the adjacent neonate under the entrance surface dose (ESD) was estimated.ResultsThe mean of neonates’ weight under study was 1,950.78 ± 484.9 g. During the hospitalization period, minimum one and maximum three radiographies were done for any premature neonate. The doses received in the premature neonates to Ch1, T1 and G1 were 0.08 ± 0.01, 0.06 ± 0.01, and 0.05 ± 0.01 mSv, respectively and for adjacent infants for T2 and G2 were 0.003 ± 0.001 and 0.002 ± 0.0009 mSv, respectively.ConclusionsIn the study, radiation dose received by organs at risk of premature neonates was lower than the international criteria and standards, therefore, also due to the lack of radiation damage threshold, to limit collimator, and the use of the proper filtration, kilovoltage and time during radiography of premature neonates are recommended.

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“…The International Commission on Radiological Protection (ICRP) has both encouraged "authorized bodies" to set diagnostic reference levels (DRLs) as dose optimization tools 4 , consistent with regional, national or local area to which they apply and also defined the concept of effective dose (E) 4 , which has become an accepted method for estimating dose and associated risks in diagnostic radiology. Some studies have been interested to dose index, like entrance surface dose (ESD) or dose area products (DAP) measurements [5][6][7][8][9][10] , but only few ones addressed to effective dose (E) comparison, for newborns and especially preterm infants [9][10][11] . However, in Tunisia, the contribution of these examinations to the patient's exposure is still largely unknown.…”

Section: Introductionmentioning

confidence: 99%

Radiation doses and risks to neonates undergoing radiographic examinations in intensive care units in Tunisia

Bouaoun

Ben-Omrane

Hammou

2015

Int J Cancer Ther Oncol

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Original ArticleAbstract Purpose: To assess the radiation doses to neonates from diagnostic radiography in order to derive the local diagnostic reference levels (LDRLs) for optimisation purposes. Methods: This study was carried out in the neonatal intensive care units (NICU) of two hospitals in Tunis. 134 babies, with weights ranging from 635 g to 6680 g, performed chest-abdomen X-ray examinations. Neonates were categorized into groups of birth weight. For each X-ray examination, patient data and exposure parameters were recorded. Dose area product (DAP) was measured and entrance surface dose (ESD) was estimated. Effective dose was calculated from the Monte Carlo simulation software PCXMC. Results: DAP values increased with neonatal weight and demonstrated a wide variation (5.0 -43.0 mGy.cm 2 , mean 23.4 mGy.cm 2 ) for patient weight from 600 g to 4000 g. A wide variation was also observed for ESD (14 -93 μGy, mean 55.2 μGy). The LDRLs expressed in term of DAP were estimated to be 17.6 mGy.cm 2 and 29.1 mGy.cm 2 for the first and the second NICU, respectively. In terms of effective dose, the average value was about 31.6 μSv single radiological examination. The results show the necessity to use a standardized protocol with high voltage technique combined to lower current time product (mAs) values and an adapted collimation which could lead to further reductions in the neonatal doses. Conclusion: This study presents the LDRLs and the effective doses for neonates in two NICUs and demonstrates the necessity to optimize patient protection for this category of patient.

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Radiation Exposure in 212 Very Low and Extremely Low Birth Weight Infants

Abstract: We found that NICU-treated VLBW infants had low radiation exposure compared with the annual NBR.

Cited by 66 publications

References 30 publications

Radiation exposure of very-low-birth-weight infants in neonatal intensive care units in Korea

Radiation exposure of very-low-birth-weight infants in neonatal intensive care units in Korea

Evaluation of Radiation Dose Received by Premature Neonates Admitted to Neonatal Intensive Care Unit

Radiation doses and risks to neonates undergoing radiographic examinations in intensive care units in Tunisia

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