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Knowledge about Complication of Congenital Hypothyroidism among Parents in Aseer Region, Saudi Arabia

Background: A lack of thyroid hormone present at birth is described as Congenital Hypothyroidism (CH). A difficulty with thyroid development or thyroid hormone production (dysgenesis) is most frequent in thyroid birth hormone insufficiency. It is one of the main causes of avoidable mental delay in infants This study aims to assess knowledge and awareness of Saudi parents towards complication of congenital hypothyroidism in Aseer region, KSA. Methods: A cross sectional study was conducted of general population of Aseer region. Data was collected by means of online questionnaire distributed online to be self-filled by parents. The study included 1086 participants. The collected data was entered and analyzed using the Statistical Original Research Article Al Qahtani et al.; JPRI, 33(53B): 325-334, 2021; Article no.JPRI.83730 326 Package for the Social Science (SPSS Inc. Chicago, IL, USA) version 23. Descriptive statistics was performed. Results: All participants were from Aseer region, 39.5% of participants reported consanguinity between parents, 34.5% of all participants had heard of CH. 18.2% identified iodine deficiency during pregnancy as risk factor for CH. 22.6% identified excessive sleeping, 15.2% jaundice and 16% facial swelling. 60.2% did not know CH complications while 22.1% reported poor growth, resulting in short stature as a complication, followed by 14.4% Goiter, 14.1% delayed puberty, 13.5% mental retardation, 12.9% osteoporosis, 9.9% heart defects, and 4.6% bone fractures. 11.9% of all participants identified optimal time to start treatment to prevent complications as the first two weeks of the baby's life Conclusion: Parental knowledge of congenital hypothyroidism in Aseer is relatively unsatisfactory. Health campaigns and conferences to raise awareness is necessary looking to catastrophic complications caused by delayed diagnosis and management of the disease.


INTRODUCTION
A lack of thyroid hormone present at birth is described as Congenital Hypothyroidism (CH). A difficulty with thyroid development or thyroid hormone production (dysgenesis) is most frequent in thyroid birth hormone insufficiency. It is one of the main causes of avoidable mental delay in about 1:2,000 to 1:4,000 infants [1]. The published statistics show comparatively high incident CH in certain Arab nations, including Lebanon (1 in 1823), Bahrain (1, in 2967), Palestine (1 in 2133), Oman (1 in 2200), Saudi Arabia (1 in 2931), and Egypt with comparatively high occurrences of the CH in several Arab nations (Alexandria: 1 in 397412) [2].
CH is classified into permanent and transient forms, which in turn can be divided into primary, secondary, or peripheral etiologies. Thyroid dysgenesis accounts for 85% of permanent, primary CH, while inborn errors of thyroid hormone biosynthesis (dyshormonogeneses) account for 10-15% of cases [3]. Secondary or central CH may occur with isolated TSH deficiency, but more commonly it is associated with congenital hypopitiutarism. Transient CH most commonly occurs in preterm infants born in areas of endemic iodine deficiency. Babies in whom severe feto-maternal hypothyroidism was present in utero tend to be the most symptomatic at birth. Similarly, babies with athyreosis or a complete block in thyroid hormonogenesis tend to have more signs and symptoms at birth than infants with an ectopic thyroid, the most common cause of CH [4].
Congenital hypothyroidism is common and can cause severe neurodevelopmental morbidity. The clinical manifestations are often subtle or not present at birth. Common symptoms include decreased activity and increased sleep, feeding difficulty, constipation, and prolonged jaundice. On examination, common signs include myxedematous facies, large fontanels, macroglossia, a distended abdomen with umbilical hernia, and hypotonia [5].
Most newborns with congenital hypothyroidism (CH) have no or few clinical manifestations at birth. In countries with newborn screening programs in place, infants with CH are diagnosed after detection by screening tests [6]. There is an increased incidence of other congenital malformations in children with congenital hypothyroidism (CH), particularly cardiac malformations, including septal defects, renal abnormalities, and the risk of neurodevelopmental disorders [7].
Prompt diagnosis and treatment of congenital hypothyroidism (CH) is critical for the optimal neurodevelopmental outcome and requires interprofessional communication, and care coordination by newborn screen laboratory, primary care physicians, and pediatric endocrinologists are important [8]. Careful neurodevelopmental and neurosensory evaluations should be started early in life and repeated at important critical developmental phases, taking into account disease severity at diagnosis and providing appropriate interventions as required. Universal newborn screening is an important tool for detecting congenital hypothyroidism, but awareness of its limitations, repeated screening in high-risk infants, and a high index of clinical suspicion are needed to ensure that all affected infants are appropriately identified and treated [9].
Parents need to be educated on the diagnosis of congenital hypothyroidism (CH), the importance of early and adequate treatment that will prevent poor neurodevelopmental outcomes. Efforts should focus on educating both patients and caregivers to ensure that adequate treatment is continued into adulthood as parental adherence is associated with successful therapy [10]. Therefore, it is important to know the level of information of family members about the possible damage that CH, when not treated early, can cause in the auditory system, for efficient strategies for the prevention and promotion of hearing health, intervention and monitoring [11].

Aim of the Study
To assess knowledge and awareness of Saudi parents in Aseer region towards complication of congenital hypothyroidism.

Study Design and Setting
A cross sectional study design was adopted.

Study Area and Setting
The study was carried out in Aseer, Saudi Arabia.

Study Period
The data was collected during a period of two months from June 1st 2021 to August 31st, 2021.

Study Population
General population in Aseer was eligible for inclusion in the study, provided they fulfill the inclusion criteria.

Inclusion criteria and Exclusion criteria:
The study will include all Saudi parents who can read and write was included in the study. Non-Saudi subjects, adults who don't have children and illiterate subjects was excluded.
Sample size: The minimum sample size for this study has been decided according to Swinscow, as follows: Where, n: Calculated sample size Z: The z-value for the selected level of confidence (1-a) = 1.96. P: An estimated prevalence of having knowledge as 50% since there is no specific figure for that Q: (1 -0.50) = 50%, i.e., 0.50 D: The maximum acceptable error = 0.05. So, the calculated minimum sample size was: n = (1.96)2 X 0.50 X 0.50/(0.05) 2 = 384

The Sampling Technique
Random sampling technique was adopted to select the sample size.

Data Collection Tool
A pre-designed questionnaire was used for data collection. Questions regarding sociodemographic characteristics of the participants (age, educational level, occupation, number of children and residence) as well as knowledge about complication of congenital hypothyroidism along with risks and management of it. The questionnaire will include a brief introduction explaining the idea of the research to participants.

Data Collection Technique
The researchers distributed the questionnaire online as the questionnaire was distributed online on social media sites (WhatsApp-Facebook-Twitter) to be filled out personally. The questionnaire had a brief introduction explaining the nature of the research and confidentiality of the information that given to participants.

Data Management and Analysis Plan
All data was entered and analyzed using SPSS 23 with using appropriate statistical methods for description and analysis. P-value less than 0.05 was considered for statistical significance.

RESULTS
In Table (1); all participants were from Aseer region in KSA, 29.6% of all fathers aged 45 years old or more while 28.7% of mothers aged between 18-25 years old. 59.1% of both parents were highly educated (University or more). 39.5% of parents reported consanguinity between them and 34.3% had 4 children or more.
As illustrated in Table ( The most commonly cited source of information was internet social networking site in 31.5% followed by family and friends 13.3%, doctors and nurses 12.2%, and TV or the Radio in 6.6%. only 11.9% of all participants identified optimal time to start treatment to prevent complications as the first two weeks of the baby's life As in Table (4).
Table (5) shows no significant association between neither parents age or consanguinity between parents with occurrence of CH among children.

DISCUSSION
Most congenital hypothyroidism (CH) is not avertable; however, the adverse effects of CH are preventable with early detection and treatment. It has become evident that, in some patients with persistent mental retardation and neurological symptoms, defects in transcription factors which are expressed in the thyroid gland as well as in the central nervous system (CNS) during embryonic development cause both defective thyroid and CNS development. However, mild or subtle deficits in verbal skills, attention, memory, or motor development may be observed, particularly in those with severe CH. The severity of CH and pretreatment T4 level are important predictors of adverse cognitive and motor outcomes [12]. There is an increased incidence of other congenital malformations in children with congenital hypothyroidism (CH), particularly cardiac malformations, including septal defects, renal abnormalities, and the risk of neurodevelopmental disorders. A thorough clinical examination, including a hearing screen, should be performed [13].
In our study; 34.5% of all participants had heard of CH. This was higher than a figure reported in Pakistan in which only (20%) of study participants had heard of CH [14]. The etiological classification of CH is based on clinical and biochemical evaluation. Useful tests are measurement of serum TSH, thyroxine (T4), triiodothyronine (T3), and thyroglobulin (TG); thyroid ultrasound and scintigraphy, using 99mpertechnetate or, preferably, 123I and when indicated, the perchlorate (ClO4−) discharge test [15]. A previous study reported that parents cited viral/bacterial infections as the most common etiology 83% [14].
Symptoms of CH may include quiet and long sleep duration through the night, hoarse cry and constipation. Neonatal hyperbilirubinemia for more than three weeks is common [16]. A previous study reported the most common symptoms were prolonged jaundice, lethargy, feeding difficulty and constipation [17].  [14].
In our study, the most commonly cited source of information was internet social networking site in 31.5% followed by family and friends 13.3%, doctors and nurses 12.2%, and TV or the Radio in 6.6%. A previous study in Pakistan reported source of information was friends and family (44%), whereas after the intervention most women cited health sessions (73%) as their source of information [14].
In general, neurodevelopmental outcomes in congenital hypothyroidism (CH) are excellent. Early and adequate therapy initiation, prior to 2nd week of life, will result in an appropriate global intelligence. In our study, only 11.9% of all participants identified optimal time to start treatment to prevent complications as the first two weeks of the baby's life.

CONCLUSION AND RECOMMENDA-TIONS
Parental knowledge of congenital hypothyroidism in Aseer is relatively unsatisfactory. Health campaigns and conferences to raise awareness is necessary looking to catastrophic complications caused by delayed diagnosis and management of the disease. Parents need to be educated on the diagnosis of congenital hypothyroidism (CH), the importance of early and adequate treatment that will prevent poor neurodevelopmental outcomes.

DISCLAIMER
The products used for this research are commonly and predominantly use products in our area of research and country. There is absolutely no conflict of interest between the authors and producers of the products because we do not intend to use these products as an avenue for any litigation but for the advancement of knowledge. Also, the research was not funded by the producing company rather it was funded by personal efforts of the authors.

ETHICAL APPROVAL
Approval was obtained by the Research Ethics Committee of Aseer University, Aseer, KSA. Data was anonymous for patient confidentiality. Use of these anonymous data in this research project was reviewed and approved by the research ethics committee. The collected data was kept safely in a password protected computer.

CONSENT
As per international standard or university standard, Participants' written consent has been collected and preserved by the author(s).