Kristy Marsillo, D.O. v. Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick

CourtTexas Supreme Court
DecidedJanuary 12, 2024
Docket22-0835
StatusPublished

This text of Kristy Marsillo, D.O. v. Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick (Kristy Marsillo, D.O. v. Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick) is published on Counsel Stack Legal Research, covering Texas Supreme Court primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Kristy Marsillo, D.O. v. Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick, (Tex. 2024).

Opinion

Supreme Court of Texas ══════════ No. 22-0835 ══════════

Kristy Marsillo, D.O., Petitioner,

v.

Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick, Respondents

═══════════════════════════════════════ On Petition for Review from the Court of Appeals for the Third District of Texas ═══════════════════════════════════════

Argued October 5, 2023

CHIEF JUSTICE HECHT delivered the opinion of the Court.

By statute, a physician is not liable for injury to a patient “arising out of the provision of emergency medical care in a hospital emergency department” without proof that the physician acted “with willful and wanton negligence”. 1 The courts that have considered that standard of proof have concluded that it is tantamount to gross negligence. We agree that the standard is at least gross negligence, and because the evidence

1 TEX. CIV. PRAC. & REM. CODE § 74.153(a). in this case falls short, we leave for another day whether a showing of willful and wanton negligence requires more. We reverse the court of appeals’ judgment 2 and reinstate the trial court’s summary judgment for the physician. I Thirteen-year-old Raynee Dunnick was bitten by a rattlesnake on her left foot around 8:20 p.m. while walking her dog in her front yard. She arrived at Seton Medical Center Hays by EMS at 9:14 p.m., where she was triaged by the nursing staff. At 9:20 p.m., Raynee was seen by attending physician Dr. Kristy Marsillo, who immediately implemented the hospital’s Snakebite Treatment Guidelines. The Guidelines are taken from recommendations of the American Academy of Family Practice and of the manufacturer of the antivenom used by the Seton family of hospitals, brand name CroFab, to treat envenomation from the bite of a North American pit viper. According to its manufacturer, CroFab “was shown in clinical studies to be effective when given within 6 hours of snakebite”, but importantly, giving the antivenom is not a risk-free proposition. For one thing, CroFab usually is contraindicated for patients with a known history of hypersensitivity to certain substances. For another, 19 of 42 clinical-trial patients “experienced an adverse reaction”, and three of those patients experienced a reaction that was “severe or serious”. The “[m]ost common adverse reactions . . . were urticaria, rash[,] nausea, pruritus[,] and back pain.” Yet another potential complication of treatment is “recurrent

2 654 S.W.3d 224 (Tex. App.—Austin 2022).

2 coagulopathy”—impairment in the blood’s ability to clot. CroFab should be administered when called for and not otherwise. The Guidelines lay out a detailed, seven-part process for hospital staff to follow when a patient presents with a snakebite. Part 1 is the initial assessment, including the patient’s vital signs and the type of snake, if known. Part 2 lists the initial lab work to be ordered and the panels to be repeated two hours later. Part 3 directs insertion of an IV and, potentially, a tetanus shot. Part 4, labeled the CroFab Decision Tree, sets out the process the treating physician should follow to determine whether and when to administer antivenom. That process revolves around the patient’s “snakebite severity score”. The Guidelines list potential symptoms under six physical systems—pulmonary, cardiovascular, local wound, gastrointestinal, hematologic, and central nervous. The physician is to give each symptom a value between 0 and 4, depending on severity. For example, under the central nervous system, “[n]o symptoms/signs” is a score of 0, and “[s]evere confusion, lethargy, seizures, coma, psychosis, or generalized fasciculation” is a score of 3. The severity score is calculated by circling the symptoms present under each grouping and adding up the values assigned to them. The CroFab decision tree directs that if the patient has a severity score of 3 or less and her coagulation lab work is normal, then no antivenom is to be given, but the patient should be re-examined and the severity score recalculated every 30 minutes for eight hours. If the severity score is ever 4 or more or her coagulation lab work is abnormal, then the patient is immediately given the antivenom.

3 Part 5 explains how CroFab should be dosed. Part 6 lists adjunctive treatments to be considered and some, like NSAIDs, that should not be given. Part 7 explains the follow-up process once the patient is released. On initial assessment, Raynee’s snakebite severity score was just 2, for bruising and swelling on her foot “involving less than half the extremity [7.5-50 cm from bite site]”. Her coagulation lab work was normal at that time. At 9:45 p.m., the swelling had increased up her leg 13 cm from the bite, her foot was discolored, and she had “[b]lood seeping from two puncture wounds.” At 10:15 p.m., the swelling had progressed to 20 cm from the bite site. Still, her severity score remained 2 because the swelling was less than 50 cm from the bite site and she was not then experiencing any other symptoms that would increase the score. Raynee was given a second dose of morphine for pain. At 11:20 p.m., Raynee reported burning pain in her toe to a nurse, who relayed the information to Marsillo. Marsillo added another point for paresthesia—an abnormal skin sensation—increasing Raynee’s severity score to 3. At the same time, she ordered that Raynee’s coagulation studies be repeated on a stat basis. The labs were returned at 11:39 p.m. and showed a drop in platelets and fibrinogen. Those changes increased Raynee’s severity score to 5. Eleven minutes later, at 11:50 p.m., Marsillo ordered that six vials of antivenom be prepared. The Guidelines direct that each vial be reconstituted with 10 ml of sterile water and then that all vials be diluted with 250 ml of saline solution prior to administration. Hospital staff began infusing Raynee with CroFab at 12:29 a.m., just over four

4 hours after she was bitten. Because Seton Hays does not admit children overnight, Marsillo arranged for Raynee’s transfer to Dell Children’s Medical Center “with crofab running.” She was admitted at 1:35 a.m., when Dell initiated its own “envenomation protocol”. Three hours after being admitted, Dell infused Raynee with another six vials of CroFab. Later that morning, improvement in Raynee’s lab work and symptoms resulted in her being put on a maintenance dose of only two vials. Twelve hours after the maintenance dose was initiated, Raynee’s lab work remained normal and the swelling in her foot had decreased. Twenty-four hours after being admitted to Dell, Raynee received her last dose of CroFab. At that point, her “[l]abs [were] much improved” and her “[s]ymptoms [had] ceased progression and improved.” She was discharged on crutches the next afternoon after a physical therapy evaluation. Dell’s discharge notes state that “Raynee’s hospital course was uncomplicated.” Raynee and her parents sued Marsillo for negligence, alleging that her failure to depart from the Guidelines and administer CroFab immediately upon Raynee’s arrival at Seton Hays was negligence resulting in Raynee’s pain, suffering, impairment, and disfigurement. They seek over $1,000,000 in damages. The trial court granted Marsillo’s no-evidence summary judgment on breach of duty and causation. The court of appeals reversed. 3 We granted Marsillo’s petition for review.

3 Id.

5 We consider first what standard of proof is required for Raynee’s claim, then whether she has met that standard. II Section 74.153(a) of the Civil Practice and Remedies Code imposes a heightened burden of proof on Raynee’s negligence claim. With exceptions not applicable here, the statute provides that in a suit involving a health care liability claim against a physician . . . for injury to or death of a patient arising out of the provision of emergency medical care in a hospital emergency department, . . .

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Kristy Marsillo, D.O. v. Robin Dunnick, Individually, and as Next Friend to Raynee Dunnick, and Dana Dunnick, Counsel Stack Legal Research, https://law.counselstack.com/opinion/kristy-marsillo-do-v-robin-dunnick-individually-and-as-next-friend-to-tex-2024.