NAFLD Outcomes After Bariatric Surgery

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A recent systematic review and meta-analysis (Y Lee, et al. Clin Gastroenterol Hepatol 2019; 17: 1040-60) included 32 cohort studies with 3093 liver biopsy specimens from patients with nonalcoholic fatty liver disease (NAFLD).

Key findings:

  • Bariatric surgery resulted in a biopsy-confirmed resolution of steatosis in 66%, inflammation in 50%, ballooning degeneration in 76%, and fibrosis in 40%.
  • Bariatric surgery resulted in worsening features of NAFLD in 12%.
  • The authors note that Roux-en-Y Gastric Bypass (RYGB) “showed greater reduction of liver side effects and higher: resolution of NAFLD.”
  • Jejejnoileal bypass (JIB) and biliopancreatic diversion (BPD) “both have been associated with higher liver function morbidity.”
  • The overall GRADE quality of evidence was considered very low.

My take: Though better studies are needed, the majority of patients’ livers appear to benefit from bariatric surgery.

Related blog posts:

Liver Briefs -June 2019 part 2

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E Cowell et al. JPGN 2019; 68: 695-99. This study reviewed 61 cases of pediatric hepatocellular carcinoma to determine predisposing conditions  (in Houston TX).  The majority did NOT have recognizable predisposing conditions.  25 of 61 (41%) had a predisposing condition including cryptogenic cirrhosis/steatosis (9), genetic (7), biliary pathology (4), viral hepatitis (1), and other (4).  Those without a recognizable predisposing condition were diagnosed later and with more advanced disease/decreased survival.

VA McLin et al. JPGN 2019; 68: 615-22. Useful review on congenital portosystemic shunts.

DE Kaplan et al. Gastroenterol 2019; 156: 1693-1706. This large study form the VA with more than 70,000 patients examined the relationship between statin exposure and survival in patients with cirrhosis.  “Each cumulative year of statin exposure was associated with an independent 8-8.7% decrease of mortality of patients with cirrhosis of Child-Turcotte-Pugh classes A and B.”

AG Singal et al. Gastroenterol 2019; 156: 1683-1692. Direct-acting antiviral therapy was not associated with recurrent hepatocellular carcinoma (HCC) in a multicenter cohort study with 793 patients with HCV-associated HCC. Thus, DAAs appear safe in patients who have achieved a complete response to HCC Rx

Liver Briefs -June 2019

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YH Yeo et al. Hepatology 2019; 69: 1385-97.  The prevalence of high risk individuals in the U.S. who are susceptible (not immune) to hepatitis B has decreased from 83% to 69% from 2003 to 2014.  That still leaves 64 million who would benefit from HBV vaccination.

M Sharma et al. Hepatology 2019; 69: 1657-75. This meta-analysis compared therapies for primary prevention of esophageal varices and concluded that nonselective beta-blocker (NSBB) monotherapy may decrease all-cause mortality and carried a lower risk of serious complications than variceal band ligation (VBL). However, the commentary (1382-84 by L Laine) reaches a different conclusion. “Current recommendations for primary prevention with VBL or NSBB or carvediolo still appear to be acceptable…using a shared decision-making approach” to weigh issue such as daily medication or periodic endoscopy.

J Nguyen et al. J Pediatr 2019; 207: 90-6. This study modeled the cost-effectiveness of early treatment with direct-acting antiviral therapy in adolescents with hepatitis C infection.  With pangenotypic agenst, the cost would be $10000 to $21000 per QALY gained.

S Trinh et al. Clin Gastroenterol Hepatol 2019; 17: 948-56. This retrospective hepatitis B study examined the changes in renal function between 239 tenofovir disoproxil fumarte (TDF) treated patients and 171 entecavir treated patients.  Key finding: TDF was not associated with higher risk of worsening renal function in this cohort with a mean followup of 43-46 months in patients with baseline normal renal function.  In patients with renal impairment, deterioration of renal function was noted in TDF-treated patients.  Thus, TDF should be avoided in patients with impaired renal function.

 

Rhododendrom in Sandy Springs

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NY Times: “Millions Take Gabapentin for Pain. But There’s Scant Evidence It Works.”

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NY Times: “Millions Take Gabapentin for Pain. But There’s Scant Evidence It Works.”

Thanks to Stan Cohen for pointing out this reference.

An excerpt:

The drug was initially approved 25 years ago to treat seizure disorders, but it is now commonly prescribed off-label to treat all kinds of pain, acute and chronic…

Two doctors recently reviewed published evidence for the benefits and risks of off-label use of gabapentin (originally sold under the trade name Neurontin) and its brand-name cousin Lyrica (pregabalin) for treating all kinds of pain…

Gabapentin and Lyrica, both sold by Pfizer, have been approved by the Food and Drug Administration to treat only four debilitating pain problems: postherpetic neuralgia, diabetic neuropathy, fibromyalgia and spinal cord injury. Even for these approved uses, the evidence for relief offered by the drugs is hardly dramatic…

In many well-controlled studies they found there was less than a one-point difference on the 10-point pain scale between patients taking the drug versus a placebo, a difference often clinically meaningless….

the number of people taking gabapentinoids more than tripled from 2002 to 2015…

Related blog post: Brave New World: Psychotropic Manipulation and Pediatric Functional GI Disorders

Near Cathedral of Barcelona

Self-Service Health Care??

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A provocative commentary (DA Asch et al. NEJM 2019; 380: 1891-3) notes that the current approach to improving health care costs needs to be reconsidered.

“The physician-patient encounter is health care’s choke point.” Instead of pushing for more primary care visits, the authors recommend greater use of automation.  Examples in other industries have included:

  • TurboTax -helped reduce need for tax preparer’s
  • Automated tellers at banks -reduce costs at banks
  • Self-checkout at grocery stores -reduce costs at grocery stores
  • Websites to directly arrange travel rather than travel agents

Much of medical care can be algorithmic, including hypertension (which affects one-third of U.S. adults), hyperlipidemia, anticoagulation, diabetes, and “might be far more efficiently managed by a bot.”

“An efficient industry wouldn’t lead with primary care, but would reserve it for cases  for which lower levels of support haven’t been enough.”

The authors note that efforts to promote this will require removal of state-based regulation.  “There is not legitimate interest that benefits from making it hard for a patient in Kansas to get automated care with third-level support from a physician in Ohio.”

My take: The authors are right in their assertion: “Transformative change in any industry requires breakthroughs in productivity.”  Some of these changes are likely to be implemented given the cost escalations facing health care.

Magic Fountain, Barcelona

“Physician-Patient Relationship is Not Necessary to Sue Docs for Malpractice”

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A recent ruling from the Minnesota Supreme Court:

Minnesota Medical Association: Physician-Patient Relationship is Not Necessary to Sue Docs for Malpractice

Thanks to Jeffrey Blumenthal for pointing out this reference. An excerpt:

The Minnesota Supreme Court issued a ruling on April 17 in the case of Warren v. Dinter holding that the existence of a physician-patient relationship is not a prerequisite for a medical malpractice action. Rather, a person may sue a physician for malpractice – even if that person was not a patient of the physician – if the harm suffered by the person was a “reasonably foreseeable consequence” of the physician’s actions….

The Warren v. Dinter case arises out of the care provided to a woman (Susan Warren), who complained of abdominal pain, fever, chills, and other symptoms to a nurse practitioner at Essentia Health Clinic in Hibbing. After testing showed that Warren had an elevated white blood cell count, the nurse practitioner suspected infection and sought hospitalization for her at Fairview Range Medical Center. The nurse practitioner’s call was randomly assigned to a hospitalist at Fairview to discuss admission. 

After a brief conversation, during which the physician was unable to view the patient’s medical record, …the physician did not recommend hospitalization during the conversation and the nurse practitioner did not seek hospitalization for the patient following the conversation. The patient subsequently died from sepsis caused by an untreated staph infection. Warren’s family sued both the nurse practitioner and the physician for medical malpractice…

Before its ruling April 17, Minnesota law has generally required the existence of a physician-patient relationship to sustain a malpractice action against a physician. The Court’s decision to rely on a broader legal theory of “foreseeability” represents a troubling change that puts Minnesota in the minority of states that do not require the existence of a physician-patient relationship for a malpractice action.

My take: While “foreseeability” was used as a determinant in this case, observers may foresee that the court’s ruling could erode informal advice (aka. curbside consults) that generally improves patient outcomes.  If physicians’ liability is significant, many may choose to not offer advice on patients that they have not fully evaluated.

Barcelona Esplanade/Adjacent to beach