Dr. Bentley-Hibbert studies how liver problems, particularly those resulting from portal vein thrombosis, affect liver size and function. They look into how surgical procedures can help restore normal liver size in affected patients. Additionally, they track the growth patterns of transplanted livers in children, ensuring that they grow appropriately as the child develops. Their research is crucial for understanding how to provide the best care and treatment options for individuals with liver issues.
Key findings
In patients with portal vein thrombosis, livers were found to be 20-26% smaller than expected due to reduced blood flow, indicating significant liver atrophy.
Surgical shunts that preserved blood flow to the liver led to successful liver regrowth in patients with portal vein thrombosis, reversing atrophy.
In pediatric recipients of liver transplants, liver volume grew 59% by five years and 170% by ten years post-transplant, matching expected sizes for healthy children.
Frequently asked questions
Does Dr. Bentley-Hibbert study liver transplant procedures?
Yes, Dr. Bentley-Hibbert investigates liver transplants, especially how transplanted livers grow in children over time.
What conditions does Dr. Bentley-Hibbert focus on?
Dr. Bentley-Hibbert primarily focuses on portal vein thrombosis and liver atrophy, as well as liver health in pediatric transplant recipients.
How does Dr. Bentley-Hibbert's research help liver patients?
Their research helps identify effective surgical treatments to improve liver size and health, benefiting patients with portal vein thrombosis and ensuring optimal grafts for children.
Publications in plain English
Radiology of fibrosis. Part I: Thoracic organs.
2024
Journal of translational medicine
Tarchi SM, Salvatore M, Lichtenstein P, Sekar T, Capaccione K +15 more
Plain English This study looked at how imaging technology can help detect fibrosis, or scarring, in organs located in the chest, such as the lungs and heart. Researchers found that accurate diagnosis and ongoing monitoring of fibrosis are crucial to prevent organ failure and improve patients' quality of life. Understanding how to effectively use imaging tools for this purpose can lead to better treatment options and reduced mortality rates.
Who this helps: This benefits patients with lung or heart conditions and doctors treating them.
Tarchi SM, Salvatore M, Lichtenstein P, Sekar T, Capaccione K +15 more
Plain English This study looks at how fibrosis, a condition where fibrous tissue builds up in organs, affects the abdominal organs and how it can be detected using modern imaging techniques. The research emphasizes the importance of identifying fibrosis early, as it can lead to organ failure and complications like cancer. New imaging technologies are being developed to improve the diagnosis of this condition, which is crucial for better treatment outcomes.
Who this helps: This helps patients suffering from organ-related fibrosis and their doctors.
Radiology of fibrosis part III: genitourinary system.
2024
Journal of translational medicine
Tarchi SM, Salvatore M, Lichtenstein P, Sekar T, Capaccione K +15 more
Plain English This study looked at fibrosis in the genitourinary system, which is when extra connective tissue builds up in organs like the kidneys and bladder due to injury or disease. The researchers worked on improving imaging techniques to detect this condition accurately so that treatment can start sooner, helping patients avoid serious health problems. Understanding and spotting fibrosis early is important because it can lead to better outcomes for patients, including fewer complications and a higher quality of life.
Who this helps: Patients with genitourinary diseases.
Treatment of pouchitis, Crohn's disease, cuffitis, and other inflammatory disorders of the pouch: consensus guidelines from the International Ileal Pouch Consortium.
2022
The lancet. Gastroenterology & hepatology
Shen B, Kochhar GS, Rubin DT, Kane SV, Navaneethan U +32 more
Plain English This study focused on the best ways to treat various inflammatory disorders that affect the ileal pouch, such as pouchitis and Crohn's disease. The researchers found that acute pouchitis is effectively treated with oral antibiotics, while chronic cases may need anti-inflammatory medications, and large polyps should be removed through endoscopy. This is important because proper treatment improves patients' quality of life and helps manage complications effectively.
Who this helps: This helps patients with ileal pouches, including those suffering from pouchitis and Crohn's disease.
Management of pouch neoplasia: consensus guidelines from the International Ileal Pouch Consortium.
2022
The lancet. Gastroenterology & hepatology
Kiran RP, Kochhar GS, Kariv R, Rex DK, Sugita A +36 more
Plain English This research focused on how to monitor and treat cancerous changes (neoplasia) in patients who have had surgery for conditions like ulcerative colitis or familial adenomatous polyposis. The study highlighted that different types of cancer can occur in various parts of the pouch and identified several treatment options based on the type and severity of the neoplasia. These options range from non-surgical procedures like endoscopic polypectomy to more invasive surgeries, depending on the individual patient's situation.
Who this helps: This benefits patients who have had restorative surgery for bowel diseases and their doctors managing their care.
Low Subcutaneous Adiposity and Mortality in Esophageal Cancer.
2021
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
Zhou MJ, Tseng L, Guo X, Jin Z, Bentley-Hibbert S +7 more
Plain English This study looked at how the amount of fat directly under the skin affects survival in patients with esophageal cancer. Researchers found that patients with low levels of subcutaneous fat had a higher risk of dying; those with low fat were more than twice as likely to die compared to those with more fat. This matters because it suggests that maintaining healthy subcutaneous fat levels might help improve survival rates for these patients.
Who this helps: This helps patients with esophageal cancer and their healthcare providers.
Diagnosis and classification of ileal pouch disorders: consensus guidelines from the International Ileal Pouch Consortium.
2021
The lancet. Gastroenterology & hepatology
Shen B, Kochhar GS, Kariv R, Liu X, Navaneethan U +32 more
Plain English This study focuses on the best ways to diagnose and categorize problems related to ileal pouches, which are surgically created to help patients with certain bowel conditions. The researchers found that even though these pouches improve quality of life for many, they can lead to issues affecting health over time. Accurate diagnosis and monitoring are crucial because the health of the pouch can change, requiring doctors to adapt their approach.
Who this helps: This helps patients with ileal pouches and their doctors.
A Multidisciplinary Head-to-Head Comparison of American College of Radiology Thyroid Imaging and Reporting Data System and American Thyroid Association Ultrasound Risk Stratification Systems.
2020
The oncologist
Huang BL, Ebner SA, Makkar JS, Bentley-Hibbert S, McConnell RJ +3 more
Plain English This study looked at how well two different systems for assessing the cancer risk of thyroid nodules perform: the American Thyroid Association (ATA) guidelines and the American College of Radiology Thyroid Imaging Reporting and Data System (ACR TI-RADS). Researchers analyzed 250 thyroid nodules from 137 patients who had surgery, finding that 26% of the nodules were cancerous. The ATA system showed better accuracy overall, but also recommended more biopsies compared to ACR TI-RADS, highlighting the importance of accurate risk assessment to avoid unnecessary treatments.
Who this helps: This benefits patients with thyroid nodules and their doctors by improving cancer detection strategies.
Radiomics of MRI for pretreatment prediction of pathologic complete response, tumor regression grade, and neoadjuvant rectal score in patients with locally advanced rectal cancer undergoing neoadjuvant chemoradiation: an international multicenter study.
2020
European radiology
Shaish H, Aukerman A, Vanguri R, Spinelli A, Armenta P +11 more
Plain English This study looked at whether detailed imaging from MRI scans of patients with locally advanced rectal cancer (LARC) could predict how well they would respond to treatment before starting it. Researchers analyzed MRI data from 132 patients and found that they could predict treatment outcomes like the degree of tumor response and a specific scoring system with moderate accuracy. For example, they achieved an accuracy of 80% in predicting the pathologic complete response.
Who this helps: This helps patients by providing a way to better understand their treatment outcomes and helps doctors tailor their approaches.
The role of initial chest X-ray in triaging patients with suspected COVID-19 during the pandemic.
2020
Emergency radiology
Kim HW, Capaccione KM, Li G, Luk L, Widemon RS +11 more
Plain English This study examined how chest X-rays can help prioritize patients suspected of having COVID-19 based on their severity when they arrive at the emergency room. Researchers reviewed X-rays from 410 patients and found that lower oxygen levels and higher grades of opacity on the X-rays were linked to longer hospital stays and a greater need for intubation. Specifically, for each 1% drop in oxygen saturation, patients were 12% more likely to have longer hospital stays, and those with worse X-ray grades had a nearly four times higher chance of needing intubation.
Who this helps: This research benefits emergency room doctors and hospitals by improving patient assessment and treatment decisions for COVID-19.
Visceral fat area, not body mass index, predicts postoperative 30-day morbidity in patients undergoing colon resection for cancer.
2018
International journal of colorectal disease
Kuritzkes BA, Pappou EP, Kiran RP, Baser O, Fan L +3 more
Plain English This study focused on patients undergoing surgery for colon cancer to see if visceral fat (fat around the organs) is a better indicator of complications than body mass index (BMI). Researchers found that 10.5% of the patients experienced major complications after surgery, and those with a high visceral fat area (191 cm² or more) had a 19.4% chance of complications, while those with lower visceral fat had only a 7.2% chance. This matters because using visceral fat measurements could help doctors better predict which patients are at higher risk for issues after surgery, leading to improved care.
Who this helps: Patients undergoing colon cancer surgery and their doctors.
Routine chest X-ray is unnecessary after ultrasound-guided central venous line placement in the operating room.
2018
Journal of critical care
Woodland DC, Randall Cooper C, Farzan Rashid M, Rosario VL, Weyker PD +3 more
Plain English Researchers looked at whether routine chest X-rays are needed after placing central venous catheters (CVC) in patients undergoing specific surgeries. They found that out of 200 patients, only 1 (0.5% of cases) had a significant issue that needed correction, despite 30 (15.3%) being improperly positioned. Skipping routine X-rays could save about $155,000 a year without compromising patient safety, meaning the procedure could be more efficient and cost-effective.
Who this helps: This benefits both patients and healthcare providers by reducing unnecessary procedures and costs.
Growth of liver allografts over time in pediatric transplant recipients.
2018
Pediatric transplantation
Chaudhry SG, Bentley-Hibbert S, Stern J, Lobritto S, Martinez M +7 more
Plain English This single-center study tracked how donor livers change in size as pediatric transplant recipients grow over 10 years. Liver volume grew by 59% by five years and 170% by 10 years post-transplant, closely matching expected liver size for the child's height and weight by year five. The findings confirm that transplanted livers in children adapt appropriately to the recipient's growth, which has practical implications for graft sizing decisions at the time of transplant.
Liver atrophy and regeneration in noncirrhotic portal vein thrombosis: Effect of surgical shunts.
2018
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Elnaggar AS, Griesemer AD, Bentley-Hibbert S, Brown RS, Martinez M +3 more
Plain English In patients without cirrhosis, portal vein blockage can cause parts of the liver to shrink while others compensate. This study examined liver atrophy patterns in such patients and found that surgical shunts to relieve portal hypertension allowed meaningful liver regeneration. These findings support surgical intervention rather than watchful waiting in non-cirrhotic portal vein thrombosis.
Regenerative liver surgeries: the alphabet soup of emerging techniques.
2016
Abdominal radiology (New York)
Parekh M, Kluger MD, Griesemer A, Bentley-Hibbert S
Plain English This research focuses on new liver surgeries that utilize the liver's natural ability to heal itself. The study highlights various innovative techniques that can either support patients while their liver recovers or help it grow larger to better function. These surgeries are particularly important for people with specific liver cancers or conditions where traditional liver transplants aren’t possible, as they can offer curative options without the need for lifelong immunosuppression.
Who this helps: This benefits patients with liver cancer and liver diseases who cannot have a transplant.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology
Bentley-Hibbert S, Schwartz L
Plain English This study looked at how different imaging techniques can help diagnose and monitor gastrointestinal (GI) cancers, which vary in their characteristics based on where they are in the body. The findings highlighted that no single imaging method is enough to fully assess these tumors; instead, using a combination of imaging approaches gives a clearer picture of the patient's condition. This is important because it helps ensure patients receive the most accurate diagnosis and appropriate treatment for their specific type of cancer.
Who this helps: This benefits patients with GI cancers and their doctors.
Rare large cell neuroendocrine tumor of the endometrium: A case report and review of the literature.
2013
International journal of surgery case reports
Nguyen ML, Han L, Minors AM, Bentley-Hibbert S, Pradhan TS +2 more
Plain English This study looks at a rare type of cancer called large cell neuroendocrine carcinoma (LCNEC) that develops in the uterus. The researchers reviewed 12 past cases and documented one case of a 71-year-old woman who had a large tumor and advanced cancer that had spread to other areas. The findings show that even when detected early, this cancer generally has a poor outlook, and there is a need for more research to better understand how common it is.
Who this helps: This information benefits doctors and researchers seeking better treatment options for patients with this aggressive form of cancer.
Hepatocellular carcinoma: clinical and radiological findings in patients with chronic B viral hepatitis and chronic C viral hepatitis.
2012
Abdominal imaging
Kim KE, Park MS, Bentley-Hibbert S, Baek SE, Kim YC +3 more
Plain English This study looked at the differences in liver cancer (hepatocellular carcinoma) found in patients with chronic hepatitis B and hepatitis C infections. Researchers analyzed CT scans of 532 patients and discovered that those with hepatitis B tended to have more severe forms of cancer, including larger tumors (over 5 cm) and more unusual growth patterns, compared to those with hepatitis C. These findings are important because they show that patients with hepatitis B might require more aggressive treatment and monitoring due to the more advanced nature of their cancer at diagnosis.
Who this helps: This helps doctors better understand how to treat patients with liver cancer based on their hepatitis infection type.
Stereotactic body radiation therapy in hepatocellular carcinoma and cirrhosis: evaluation of radiological and pathological response.
2012
Journal of surgical oncology
Facciuto ME, Singh MK, Rochon C, Sharma J, Gimenez C +5 more
Plain English Researchers studied how effective stereotactic body radiation therapy (SBRT) is for treating patients with liver cancer who also have cirrhosis and are waiting for a liver transplant. They found that 30% of patients had complete shrinkage of their cancer on imaging, while another 7% showed some improvement, and 56% had no change; only 7% saw their cancer worsen. This matter because SBRT may safely help control tumors in these patients, giving them a better chance while they wait for a transplant.
Who this helps: This helps patients with liver cancer and cirrhosis who are waiting for a liver transplant.
Plain English In this study, doctors looked at a 5-year-old patient who had undergone brain surgery and showed signs of free air in the abdomen, which usually suggests a serious issue like a stomach perforation. However, it turned out to be just air trapped in the stomach due to a clogged feeding tube, not free air in the abdomen. This finding is important because it shows the need for doctors to carefully consider both medical images and the patient's actual condition.
Who this helps: This helps doctors make more accurate diagnoses and avoid unnecessary worry or treatments.
Spontaneous resolution of an iatrogenic arterioportal fistula following portal-vein thrombosis.
2011
Radiology case reports
Bentley-Hibbert SI, Patel J, Sigal S, Mennitt K
Plain English This study looked at a 64-year-old man who developed a rare blood vessel connection (called an arterioportal fistula) after a liver biopsy, which initially showed no problems. Over time, follow-up scans revealed that this connection healed itself after a blood clot formed in the main portal vein, and by the end, the fistula was completely gone. This matters because it shows that some complex vascular issues can resolve without intervention, which might change how doctors approach similar cases in the future.
Who this helps: This helps patients with liver conditions and doctors managing vascular complications.
Serum antigen 85 levels in adjunct testing for active mycobacterial infections in orangutans.
2001
Journal of wildlife diseases
Kilbourn AM, Godfrey HP, Cook RA, Calle PP, Bosi EJ +5 more
Plain English This study looked at the levels of a specific protein called antigen 85 in orangutans to help diagnose active mycobacterial infections, which can be difficult because of other confusing test results. Researchers found that orangutans in different environments had varying levels of antigen 85: those in a Colorado zoo had a median level of 10 microU/ml, semi-captive orangutans in Malaysia had a median of 1,880 microU/ml, and free-ranging orangutans in Malaysia had 125 microU/ml. This matters because measuring antigen 85 might offer a clearer way to identify infections in orangutans, leading to better care and management for these animals.
Who this helps: This helps veterinarians and wildlife conservationists working with orangutans.
Combinatorial use of antibodies to secreted mycobacterial proteins in a host immune system-independent test for tuberculosis.
2001
Journal of clinical microbiology
Landowski CP, Godfrey HP, Bentley-Hibbert SI, Liu X, Huang Z +6 more
Plain English This study looked at a new way to diagnose tuberculosis (TB) by detecting specific proteins in the blood of patients, regardless of their immune system’s response. Researchers found that patients with active TB had much higher levels of a protein called Ag85 in their blood compared to healthy individuals, with a detection rate of 77% when using two different tests together, while maintaining high accuracy rates. This method is important because it could lead to faster and cheaper TB diagnoses, especially for those who may have been vaccinated and might not respond well to traditional tests.
Who this helps: This helps patients who may have TB, especially those who have been vaccinated, and doctors trying to diagnose the disease quickly.
Pathophysiology of antigen 85 in patients with active tuberculosis: antigen 85 circulates as complexes with fibronectin and immunoglobulin G.
1999
Infection and immunity
Bentley-Hibbert SI, Quan X, Newman T, Huygen K, Godfrey HP
Plain English This study looked at a protein called antigen 85 (Ag85), found in patients with active tuberculosis (TB). Researchers measured Ag85 levels in the blood and urine of 56 patients and found that those with active TB had Ag85 levels that were 50- to 150-fold higher than people with other lung diseases or healthy individuals. Understanding Ag85 levels is important because it can help differentiate between TB and other types of infections and may affect how the body responds to the disease.
Who this helps: Patients with tuberculosis and their doctors can benefit from this research.
Stuart Bentley-Hibbert Sachin Jambawalikar Mary Salvatore Lyndon Luk Hiram Shaish Jasnit Makkar Volkan Beylergil Ravi P Kiran Sofia Maria Tarchi Philip Lichtenstein
Physician data sourced from the
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Publication data from
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Plain-English summaries generated by AI.
Not medical advice.