Dr. Merchant studies a range of health issues, including the effects of medications on bleeding risks, genetic factors linked to severe illnesses in children, and the health risks faced by medical students. He investigates how antidepressants like selective serotonin reuptake inhibitors (SSRIs) impact patients, especially those with additional health concerns. His research also examines genetic variations that increase the risk of conditions like necrotizing enterocolitis in premature infants, as well as acute respiratory distress syndrome in children with pneumonia. Furthermore, he assesses practical healthcare solutions, such as improving methods for monitoring kidney health.
Key findings
Dr. Merchant found that SSRIs slightly increase bleeding risk, but the increase is modest, especially in patients with other health conditions.
In a study of 1,015 premature infants, 11.3% with a specific genetic variant developed necrotizing enterocolitis compared to 4.8% without the variant.
Among 474 African American children, 29 developed acute respiratory distress syndrome (ARDS) associated with specific genetic variations, indicating a need for preventive monitoring.
In a long-term study of lupus patients in Pakistan, 31% with early kidney damage died within ten years, compared to only 13% of those without early damage.
Using the protein: creatinine ratio urine test proved highly effective, showing a correlation of 0.96 in patients with good kidney function, allowing for faster assessments.
Frequently asked questions
Does Dr. Merchant study the effects of SSRIs on patients?
Yes, he examines how SSRIs might increase bleeding risks in patients, especially those with additional health conditions.
What genetic conditions related to children does Dr. Merchant research?
He studies genetic variations that increase the risk of acute respiratory distress syndrome in children with pneumonia and necrotizing enterocolitis in premature infants.
Is Dr. Merchant's work relevant to medical students?
Yes, he researched health risks faced by medical students, particularly focusing on stress and its effects on their well-being.
What improvements has Dr. Merchant suggested for kidney health assessments?
He promotes the use of a quicker urine test (the protein: creatinine ratio) as an effective alternative to the more extensive 24-hour urine test.
How does Dr. Merchant's research impact lupus patients?
His research indicates that early kidney damage in lupus patients can predict higher risks of severe outcomes, highlighting the need for careful monitoring.
Publications in plain English
Selective Serotonin Reuptake Inhibitor (SSRI) Bleeding Risk: Considerations for the Consult-Liaison Psychiatrist.
2023
Current psychiatry reports
McFarland D, Merchant D, Khandai A, Mojtahedzadeh M, Ghosn O +8 more
Plain English This study looked at how taking selective serotonin reuptake inhibitors (SSRIs), a type of antidepressant, might increase the risk of bleeding in patients, especially when they have other medical issues or are undergoing surgery. It found that while SSRIs do carry a slightly higher risk of bleeding, the actual increase is modest; however, the risk can be higher when combined with other health conditions. Understanding this risk is important for psychiatrists as they decide whether to prescribe or adjust these medications.
Who this helps: This information benefits psychiatrists and their patients, especially those with additional health problems.
Motor vehicle crashes on tribal reservations: mapping and statistics.
2021
Injury epidemiology
Vandjelovic JM, Merchant D
Plain English This study looked at motor vehicle crashes on tribal reservations, focusing on data from Montana's Flathead reservations. Between 2016 and 2018, there were 515 crashes, with 72.2% resulting in no injuries, 24.9% in injuries, and 1.8% leading to fatalities. Understanding these patterns helps to identify high-risk areas and improve safety measures for Tribal communities.
Who this helps: This information benefits Native American communities and public health officials working on road safety initiatives.
Understanding the health risks in basic science medical students: a cross sectional survey.
2020
MedEdPublish (2016)
Acharya Y, Merchant D, Manzoor A, Sathuluri J, Anoshina A +1 more
Plain English This study looked at the health risks faced by medical students at Avalon University, focusing on stress and its impacts on their well-being. It found that 79.61% of the students reported feeling stressed, with an average stress level of 7.42 out of 10. Common issues included sleep problems, low mood, anxiety, and difficulty concentrating, highlighting the need for better support and health strategies in medical education.
Who this helps: This benefits medical students by promoting their mental and physical health.
A functional ATG16L1 (T300A) variant is associated with necrotizing enterocolitis in premature infants.
2017
Pediatric research
Sampath V, Bhandari V, Berger J, Merchant D, Zhang L +10 more
Plain English This study looked at how certain genetic variations might affect the risk of necrotizing enterocolitis (NEC), a serious condition in premature infants. Among 1,015 infants, those with a specific genetic variant (the A allele of the ATG16L1 gene) had a higher chance of developing NEC: 11.3% of those with the AA genotype experienced NEC compared to only 4.8% of those without that variant. This finding is important because understanding genetic risk factors can help identify infants at higher risk for NEC, potentially leading to better prevention and treatment strategies.
Who this helps: This information helps doctors and healthcare providers focus on monitoring and supporting premature infants who may be genetically predisposed to NEC.
Association of polymorphisms in genes of factors involved in regulation of splicing of cystic fibrosis transmembrane conductance regulator mRNA with acute respiratory distress syndrome in children with pneumonia.
2016
Critical care (London, England)
Perez-Marques F, Simpson P, Yan K, Quasney MW, Halligan N +2 more
Plain English This study looked at the genetic factors that might increase the risk of acute respiratory distress syndrome (ARDS) in children with pneumonia. It found that certain genetic variations in the CELF2 and TIA1 genes were linked to the development of ARDS: 29 out of 474 African American children and 32 out of 304 non-Hispanic Caucasian children in the study developed ARDS. Understanding these genetic links can help identify at-risk children and improve their care during severe lung infections.
Who this helps: Children with pneumonia and their healthcare providers.
Association of cystic fibrosis transmembrane conductance regulator gene variants with acute lung injury in African American children with pneumonia*.
2012
Critical care medicine
Baughn JM, Quasney MW, Simpson P, Merchant D, Li SH +2 more
Plain English This study looked at how certain gene variations related to a protein that helps manage fluid in the lungs are linked to severe lung injury in kids with pneumonia, specifically focusing on African American children. Researchers found that 43 out of 474 African American children needed mechanical ventilation and 29 developed acute lung injury. Those with specific genetic variations were 3 to 3.5 times more likely to need ventilation or experience serious lung injury, which highlights the importance of genetics in understanding and treating pneumonia in these children.
Who this helps: This helps patients and doctors by identifying children at higher risk for severe lung complications from pneumonia.
Early renal damage assessed by the SLICC/ACR damage index is predictor of severe outcome in lupus patients in Pakistan.
2010
Lupus
Rabbani MA, Habib HB, Islam M, Ahmad B, Shah SM +3 more
Plain English This study looked at patients in Pakistan with systemic lupus erythematosus (lupus) to see if early kidney damage could predict how likely they were to survive over a decade. The researchers followed 198 patients for 10 years and found that 31% of those with early kidney damage died within that time, compared to only 13% of those without early damage. This is important because it shows that early kidney problems in lupus patients can indicate a higher risk of death, highlighting the need for better monitoring and treatment of these patients.
Who this helps: This helps lupus patients and their doctors by identifying those at greater risk for severe outcomes.
Merchant D, Ertl RL, Rennard SI, Stanley DW, Miller JS
Plain English This study looked at how immune cells in insects, called hemocytes, move towards areas of infection or injury. Researchers found that about 64% of these hemocytes were able to move towards a specific chemical signal from bacteria, while 42% moved toward a control solution. They also discovered that blocking certain biochemical pathways reduced the movement of these cells by more than 40%, highlighting the role of eicosanoids in this process.
Who this helps: This research benefits scientists studying insect immunity and may inform pest control strategies.
Spot urine protein: creatinine ratio versus 24 hour urine protein at various levels of GFR patients referred to a tertiary care hospital of Pakistan.
2008
JPMA. The Journal of the Pakistan Medical Association
Ali A, Asif N, Yaqub S, Kashif W, Merchant D +1 more
Plain English This study examined how well a quick urine test (the protein: creatinine ratio) compares to a more detailed 24-hour urine test for measuring protein levels in urine among patients with different levels of kidney function. The researchers found a strong correlation between the two tests across five groups of patients, with the highest correlation (0.96) in those with the best kidney function, showing that both tests can provide similar information for assessing kidney health. This matters because it means doctors can use the quicker urine test instead of the 24-hour collection, making the process easier for patients.
Who this helps: This helps patients and doctors by simplifying kidney health assessments.
Pivotal contributions of megakaryocytes to the biology of idiopathic myelofibrosis.
2007
Blood
Ciurea SO, Merchant D, Mahmud N, Ishii T, Zhao Y +5 more
Plain English This study looked at the role of certain cells called megakaryocytes in a blood disorder known as idiopathic myelofibrosis (IMF). Researchers found that cells from IMF patients produced 24 times more megakaryocytes compared to normal cells, and these megakaryocytes were less likely to die off than those from healthy individuals. This research is important because it helps explain why megakaryocytes grow abnormally in IMF, contributing to the symptoms and progression of the disease.
Who this helps: This helps patients with idiopathic myelofibrosis and their doctors understand the disease better.
Urachal adenocarcinoma: incidental finding at the time of surgery for ruptured appendicitis.
2006
JSLS : Journal of the Society of Laparoendoscopic Surgeons
Peterson RM, Ollayos C, Merchant D
Plain English This study examined a rare type of cancer called urachal adenocarcinoma, which was found in a 51-year-old woman during surgery for appendicitis. The surgery revealed not only a ruptured appendix but also a mass in her abdomen that turned out to be this unusual tumor. Detecting it at this early stage is crucial because if it had been missed, the cancer could have progressed to a more serious stage, leading to worse health outcomes.
Who this helps: This helps patients by ensuring early detection of rare cancers during common surgeries.
Adolescent work patterns and work-related injury incidence in rural Minnesota.
2002
American journal of industrial medicine
Parker DL, Merchant D, Munshi K
Plain English This study looked at the work habits of high school students in rural Minnesota, where most of the students either worked on farms or had other jobs. Out of 2,250 students surveyed, 2.6% got injured while working on farms, and 5.1% were injured at non-farm jobs, indicating that work-related injuries are a concern. The findings highlight the need for better safety regulations for young workers, especially in agriculture, as current laws may not be sufficient to protect them.
Who this helps: This research benefits students and policymakers focused on youth safety in the workplace.
Causes, nature, and outcomes of work-related injuries to adolescents working at farm and non-farm jobs in rural Minnesota.
2002
American journal of industrial medicine
Munshi K, Parker DL, Bannerman-Thompson H, Merchant D
Plain English Researchers studied young people working on farms and in other jobs in rural Minnesota to see how often they get hurt while working. They found that students who hold jobs in both farming and other industries are less likely to get injured (21.9 out of 100 workers) compared to those who only work non-farm jobs (26.7 out of 100) or only farm jobs (25.9 out of 100). This matters because it highlights the need to improve safety for rural teens who often work long hours and risk getting injured, especially in non-farm jobs.
Who this helps: This research helps students, parents, and policymakers focused on youth employment safety.
The benefit of using two techniques for sentinel lymph node mapping in breast cancer.
2002
The American surgeon
Sardi A, Spiegler E, Colandrea J, Frishberg D, Sing H +6 more
Plain English This study looked at two methods for identifying sentinel lymph nodes in breast cancer patients: injecting a blue dye and using a special radioactive tracer. They found that when both methods were used together, the sentinel lymph node was successfully detected in 91% of the patients, compared to 63% when only one method was used. Importantly, there were no false negatives, meaning that all patients with cancer in their lymph nodes were correctly identified, which is crucial for effective treatment.
Who this helps: This benefits breast cancer patients by ensuring accurate detection of lymph node involvement.