Salman Khazaei

Hamadan University of Medical Sciences | UMSHA · Department of Public Health

Abstract Background Child laborers are often defined as work that deprives children of their childhood, their potential and their dignity, and that is harmful to physical and mental development. Child laborers are one of the most vulnerable groups in domestic violence. Domestic violence severely affects the physical and mental health, and consequen...

Aim Identifying risk factors associated with mortality in elderly patients hospitalized with COVID-19 can be helpful in managing the disease in this age group. Therefore, the aim of this study was to determine the risk factors of death in elderly patients hospitalized with COVID-19 in Hamadan in 2020. Subject and methods This cross-sectional study...

Objectives: The disability to recognize facial emotions is one of the behavioral problems in autistic children. This study was designed to evaluate the effect of education on the promotion of face recognition. Methods: This single-blind clinical trial study was conducted on children with autism. The participants were allocated with random sampling...

Present study was to evaluate the relationship between suicide attempt, gender and age. We used all of suicide attempt entered in Hamadan Suicide Registry Program (2016-2017). Finding revealed that suicide attempt was lower among elderly patients. Using poison and self-immolation was more common in elder patients. Suicide attempt in females against...

The present study assessed different pesticide residues (insecticide, fungicide, herbicide, acaricide, ovacide, nematicide, miticide, and veterinary substance) in various fruits based on the type of fruits and the mainland. The studies conducted on concentrations of pesticides in various fruits were collected from reliable databases such as Web of...

Background: Kangaroo mother care (KMC) offers several benefits for neonates and mothers. Although many studies have evaluated the effectiveness of KMC on infants, only few studies have examined the effects on mothers. This study aimed to evaluate the effectiveness of KMC on maternal resilience and breastfeeding self-efficacy via the role-play meth...

Introduction: Ectopic pregnancy(EP) is the implantation of a fertilized ovum outside of the uterine cavity. The incidence of EP has steadily increased around the world. The present umbrella review evaluated risk factors prior to conception associated with EP based on meta-analyses and systematic reviews. Methods: We searched PubMed, Scopus, and...

This study sought to examine the effect of a spiritual program on the hope of stroke patients in Iran. The present study was a randomized controlled trial that included 108 stroke patients referred to Besat Hospital, Hamadan, Iran, in 2021. Participants were randomized to either the intervention group (n = 54) or control group (n = 54). The data we...

Background: Recent data from coronavirus disease 2019 (COVID-19) confirm that diabetes, along with advanced age, is an important risk factor for adverse prognosis. Therefore, the present study aimed to determine the status of COVID-19 prevention behaviors and related beliefs among diabetic patients in Hamadan province using protection motivation th...

Background: The present study was conducted to assess the determinants of the intention to receive the COVID-19 vaccination among the Iranian population. Methods: In this cross-sectional study, 1,056 individuals of the general population living in Hamadan County were studied from April to June 2021. Using a proportional stratified sampling metho...

Aim The present study is a meta-analysis to identify the relationship between BMI and uterine leiomyoma. Methods The major international databases PubMed, Scopus, and Web of Sciences (WOS) were searched to identify eligible studies in English language writing from their inception to 30 of June 2019. The pooled Odds Ratios (OR), Relative Ratio (RR)...

Background In the studies conducted in Iran, the determining role of lifestyle as a multifactorial concept of infertility in infertile Iranian women has rarely been investigated. Objective to compare the lifestyles of fertile and infertile women in Iran. Method This case-control study was conducted on 400 women in 2022. The control group includes...

Background: The registry will provide adequate motivation for researchers to conduct various studies in numerous fields of medical and neuropsychological sciences. Objectives: Up to the present, no registry system for autism spectrum disorder (ASD) has been developed in Iran. Therefore, the present study aimed at the generation of the protocol to d...

The present study aimed to evaluate the effects of Nutrition Bio-shield Superfood (NBS) powder on the immune system function and clinical manifestations in patients with COVID-19. We compare the effects of NBS powder on the immune system function and clinical manifestations among two different groups: 1) intervention group receiving standard treatm...

Background There are few studies in the world on the duration of breastfeeding and the risk of autism. To our knowledge, no study has yet explained the association between breastfeeding duration and ASD in Iran. Aims The present study evaluated the association between breastfeeding and the risk of ASD in offspring in the west of Iran. Methods Thi...

Background: One of the most common endocrine disorders in women during reproductive age is polycystic ovary syndrome (PCOS). This study aimed to evaluate sexual functioning among women with PCOS in a sample of a region's population in the west of Iran. Materials and Methods: This study was a cross-sectional study that was conducted on 130 women wi...

Aim: The aim of this study was to investigate the relationship between identity crisis and suicide resilience and quality of life in adolescents with burns in Iranian society. Design: A cross-sectional study. Methods: Four hundred thirty adolescents with burn in three hospitals were selected via convenience sampling. They completed questionnai...

Objectives The medical and health facilities are at high risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. This study tested the preprocedural prophylactic mouthwash rinses to reduce the oral viral load. The findings from this study will help the practitioners to select the best mouthwash for the patients to mitigate t...

To our knowledge, this is the first meta-analysis of the association of not breastfeeding and the risk of autism spectrum disorder (ASD) based on observational studies. Three databases (PubMed, Web of Science, and Scopus) were systematically searched until December 2021. Heterogeneity was determined using the chi-square test and its quantity was me...

Background and Objectives : The prevalence of the Covid-19 epidemic in Iran is associated with many psychological and social effects. This study aimed to examine the association between COVID-19 media literacy and the fear of COVID-19 among students during the coronavirus crisis. Materials and Methods: This cross-sectional was conducted on 300 stu...

Herein, we report an extremely rare case of histopathologically proven neurofibromatosis of the liver. A 15-year-old male, a known case of type I neurofibromatosis (NF1), referred to our hospital with a complaint of right upper quadrant pain. He had a café-au-lait spot and positive family history of NF1 in his mother. Laboratory data was within nor...

Background: The present study examines the various complications and impurities of alcoholbased hand sanitizers during COVID-19 among health workers in Hamadan City, Iran. Methods: This cross-sectional study was conducted on 178 healthcare workers in different hospitals affiliated with the Hamadan University of Medical Sciences. The inclusion crite...

Aim: Seroprevalence among health care workers (HCWs) has been estimated in different studies in various regions and countries. This study aimed to screen the immunoglobulin M (IgM) and IgG seroprevalences and to assess the durability of IgG seropositivity, as well as the incidence of subsequent severe acute respiratory syndrome coronavirus 2 (SARS-...

Background: Patients undergoing coronary artery bypass graft (CABG) surgery face a serious psychological problem called death anxiety, which can harm the patient physically, socially, and emotionally. White noise and Benson's relaxation technique are among the complementary and effective treatments which help mitigate death anxiety in these patient...

Introduction: The present study aimed to systematically explore available literature on the possible impact of photobiomodulation (PBM) therapy on the stability and success of orthodontic mini-implants. Methods: A comprehensive electronic search was conducted in PubMed, ISI Web of Science, Scopus, Cochrane and Embase databases for human and animal...

Background Being on the frontline of the battle against COVID-19, nurses and nursing students have been under considerable psychological stress and pressure. The present study is done to explore death anxiety, moral courage, and resilience in nursing students caring for COVID-19 patients in the south of Iran. Methods The present study is cross-sec...

Background and Purpose: Due to the pandemic of COVID-19 and the need to pay attention to the older adults as one of the most vulnerable groups, this study aimed to determine the effects of educational programs based on the Protection Motivation Theory (PMT) as non-pharmaceutical intervention in promoting protective behaviors against COVID-19 among...

Aim: The aim of the present study was to investigate the burden of care, coping styles and involvement in the care of mothers of autistic children in the pandemic of COVID-19 in Iranian society. Design: A cross-sectional study. Methods: A total of 134 mothers completed questionnaires online. Data were analysed by descriptive statistics (freque...

Aims This study aimed to investigate factors affecting unwanted pregnancy in Hamadan. Background Various factors affect the occurrence and extent of unwanted pregnancies. Methods The present case-control study was performed on 901 pregnant women admitted to comprehensive health centers in Hamadan during 2020. The case group included women with un...

Objective: Worm parasites, including Echinococcus granulosus, contain compounds that exhibit antitumor activity. So, the objective of this study was to evaluate the effects of antigen B extracted from hydatid cyst fluid on melanoma B16F10 cell. Methods: Effects of different concentrations of antigen B on B16F10 and HEK293 cells proliferation were i...

Background Oral health during pregnancy is essential regarding its long-term and short-term effects on maternal and child health. Objective This study aimed to investigate the strategies and methods used in oral health promotion interventions during pregnancy. Also, it is tried to determine the extent to which environmental barriers and socio-econ...

Purpose Sonic hedgehog (SHH) signaling pathway in oxidative stress condition has been acknowledged as a key trigger for angiogenesis and collateral vessel growth in the ischemic brain, and it exerts a protective effect on neuronal cells during oxidative stress. Methods A total of sixty patients (n = 30 good collateral profile and n = 30 poor colla...

Background: The present umbrella review evaluated the environmental risk factors prior to conception associated with placenta accrete spectrum(PAS) based on meta-analyses and systematic reviews. Materials and methods: We searched PubMed, Scopus, and Web of Science until October 14, 2021. All meta-analyses that had focused on assessing the risk f...

Parkinson's Disease (PD) is a neurodegenerative disorder that causes movement and behavioral problems. Pharmacological advancements for preventing disease progression have limited success for many PD patients; therefore, supportive care is necessary. The advancement of the digital world and the revolution of computerized applications pave the way f...

Background: This review aimed to determine the association assisted reproductive technology (ART) and increase the chances of having an autistic child. Methods: The Web of Science, PubMed, and Scopus databases were systematically searched for studies published until December 2020 with the restricted English language. The Newcastle-Ottawa Scale (...

Background There are few epidemiological data regarding the autism spectrum disorders (ASD) screening program in Iran and as yet screening for children at age 18 months has been not performed. Aim/objective The present study aimed to perform a screening program for children with ASD in Iran. Method This cross-sectional study was conducted for scr...

Covid-19 disease, as a common infectious disease, has caused infection and death. Preventive behaviors are among the most important essential strategies of the Covid-19 disease prevention and control program. The health belief model (HBM) is one of the models that have been used to investigate the effective motivational factors and ultimately the p...

Background: The effectiveness of massage therapy in the treatment of neonatal jaundice has been established in previous literature, but how much the level of massage can reduce the mean of bilirubin in neonates with jaundice is a question that has been addressed in this review. Methods: Four electronic databases, including Cochrane, PubMed, Scop...

This study evaluated the relationship between arsenic uptake via drinking water ingestion and arsenic concentration in fingernails as a biomarker for human exposure. For this purpose, we collected fingernail samples from 40 healthy participants of arsenic-affected rural regions of Kaboudrahang County, the west of Iran. A total of 49 fingernail samp...

Introduction: The elderly are at risk of COVID-19, so preventive behaviors play an important role in reducing the incidence and mortality of this disease among this group. This study aimed to investigate the preventive behaviors of COVID-19 disease and its related factors in the elderly of Hamadan. Methods: This cross-sectional study was conducted...

Objective: The COVID-19 pandemic has been prolonged and healthcare workers have become exhausted. The purpose of this study was to investigate burnout and its relationship with mental health in COVID-19 frontline healthcare workers. Method: This cross-sectional study was carried out in all hospitals where patients with COVID-19 were admitted in Ha...

Purpose Colorectal cancer is one of the most common cancers and the leading cause of cancer death in Iran. This study aimed to develop and validate a random survival forest (RSF) to identify important risk factors on mortality in colorectal patients based on their demographic and clinical-related variables. Methods In this retrospective cohort stu...

Purpose This study aimed to identify the factors related to treatment adherence behaviors among old-age hemodialysis patients in Hamadan based on the Extended Theory of Planned Behavior (ETPB) during the covid-19 pandemic. Methods This cross-sectional study was conducted from January to March 2021 in Hamadan, Iran. 191 hemodialysis patients were r...

Background: Identification of the predictors of coronavirus disease 2019 (COVID-19)-related death in hemodialysis patients plays a key role in the management of these patients. In this regard, the present study aimed to evaluate the predictors of death among COVID-19 infected hemodialysis patients in Hamadan province, Iran. Study design: A cross...

Aim: The purpose of the study is to evaluate the effectiveness of sodium bicarbonate and zinc chloride mouthwashes on oral mucositis and quality of life in patients undergoing chemotherapy. Design: The present study was a randomized controlled trial study. Methods: One hundred forty-four patients with a cancer diagnosis were randomly assigned...

Background: The risk for transmission of COVID-19 to people in close contact with infected people, especially healthcare workers, has not been well estimated. Therefore the present study was conducted to assess the household secondary attack rate (SAR) of COVID-19 among healthcare workers and related factors. Materials and methods: The present p...

Purpose The effects of electromagnetic fields of mobile phones on headaches have attracted researchers during the last decades. However, contradictory results have been reported so far. Methods In this systematic review and meta-analysis, major databases including PubMed, Scopus and Web of Science were searched using suitable search terms and PRIS...

Background: Surgical smoke is an integral part of surgical operations that the surgical team has been exposed to for so long. This study aimed to investigate the effects of smoke, on members of the surgical team. Methods: A systematic review was conducted focusing on the complexity of surgical smoke. PubMed, Scopus and web of science databases w...

Introduction: Azandarian industrial zone with about 40 active silica crushing units is one of the largest industrial area in Hamadan province, Iran. Materials and methods: In this study, the personal exposure of workers in the activated silica crushing units was measured. Assessing the risk of mortality due to exposure to Respirable Crystalline Sil...

Background: Due to the critical condition of COVID-19, it is necessary to evaluate the efficacy of administrating convalescent plasma to COVID-19 patients. Therefore, we decided to design a clinical trial to investigate the effect of convalescent plasma of patients recovered from COVID-19 on the treatment outcome of COVID-19-infected patients. Ma...

Introduction: So far, no study has been conducted in Iran on the effect of COVID-19 on neonates. Therefore, the present cross-sectional study has been evaluated to determine the clinical manifestations and outcomes in neonates infected with COVID-19 in the west of Iran. Materials and Methods: The present cross-sectional study was conducted among ne...

Objective: Effective rehabilitation and better quality of life among stroke patients are functions of several factors such as quality and pattern of sleep. The present study aimed to evaluate sleep quality and related determinants in such patients. Method: The present cross-sectional study was performed from October to December 2019 among stroke p...

Background: Identifying the potential risk factors of the length of stay in hospital (LOSH) in COVID-19 patients could help the health system meet future demand for hospital beds. Objectives: This study aimed to determine the factors affecting the length of stay in hospital in COVID-19 patients in Hamadan, the west of Iran. Methods: This cross-sect...

Background AIDS as a human crisis may lead to devastating psychological trauma and stress for patients. Therefore, it is necessary to study different aspects of their lives for better support and care. Accordingly, this study aimed to explain the lived experience of HIV-infected patients in the face of a positive diagnosis of the disease. Methods...

Background: The disability to recognize emotional and mental states in others’ facial expressions is acknowledged as one of the major developmental-behavioral problems in children with autism. Therefore, it is necessary to study the effect of facial emotion recognition training on the interaction skills of children with autism. Objectives: The aim...

Background: The coronavirus disease 2019 (COVID-19) pandemic as an emergency public health concern has caused hundreds of thousands of deaths in the world. Identifying predictors of death in COVID-19 patients are a key to improve survival and help patients triage, better management, and assist physicians and health care. Study design: Retrospectiv...

Background: Human resources are one of the most critical organizational resources, the reinforcement and maintenance of whom require much energy in health organizations, particularly in long-term crises. Many methods have been suggested in this regard; however, there is a need for their integration and clarification. Methods: We systematically s...

We evaluated in this umbrella review a systematic collection from meta-analyses conducted on risk factors associated with placenta previa. We searched PubMed, Scopus, and Web of Science until April 2021 assessing the risk factors associated with placenta previa. We calculated summary effect estimates odds ratio, relative risk, 95% CI, heterogeneity...

Purpose Although aromatherapy with damask rose can reduce anxiety and improve sleep quality in different conditions, no study has yet addressed its effects among operating room (OR) personnel. Considering the high level of workload among Iranian OR personnel during the COVID-19 pandemic which can affect their anxiety and sleep quality, this study e...

Objectives This study aimed at determining the changes in dental caries experience in elementary school-age children following five years of the Students' Oral Health Promotion Program implementation. Methods In the present study, totally 2920 elementary school students participated and were selected by multistage cluster sampling. Based on the WH...

Background: The present study aimed to evaluate maternal risk factors of preterm delivery in Fatemieh Hospital in Hamadan, Iran, 2019. Methods: In this case-control study, 7,478 hospital files of live-born neonates and their mothers in Hamadan Fatemieh Hospital in 2019 were examined. According to statistical estimates, 261 preterm deliveries and...

Background: Brucellosis is one of the major health problems in many areas of the world, especially in the Mediterranean and the Middle East regions. Objective: To determine the epidemiological characteristics, clinical signs, and risk factors of relapse rate in patients with brucellosis, Qom Province, Iran. Methods: A descriptive-analytic stud...

Background and aims: Coronavirus disease 2019 (COVID-19) has spread widely throughout the world and become a pandemic disease. In this study, we decided to investigate the chest computed tomography (CT) findings in COVID-19 patients in Hamadan, west of Iran. Methods: This cross-sectional study was conducted on 101 patients with confirmed COVID-19 i...

Background The novel coronavirus (COVID-19) is begun in Wuhan, China, and has spread worldwide, resulting in a large number of hospitalizations and deaths. To the best of our knowledge, the study about the mental health status (depression, anxiety, and stress) among high school students during COVID- 19 has not been performed in Iran. Objective Th...

Background: Brucellosis is one of the most challenging health issues in many developing countries including Iran. The purpose of this study is to investigate the incidence and geographical distribution of brucellosis using Geographic Information System (GIS) and to predict its incidence in Iran in 2021. Method: This is a descriptive-analytical c...