Cheyenne Michael Shyface v. HHS - DPT, encephalopathy (1997)
Case summary [AI summaries can sometimes make mistakes]
On April 4, 1995, Patricia and June Shyface filed a petition under the National Childhood Vaccine Injury Act on behalf of Cheyenne Michael Shyface, alleging that his first DPT vaccination on April 1, 1993, caused an encephalopathy that resulted in his death four days later. The respondent argued that the cause of death was an overwhelming E. coli bacterial infection with resulting pneumonia.
An evidentiary hearing was held on September 16, 1996, before Special Master E. LaVon French.
Petitioners presented testimony from the Shyfaces and their expert, Dr. William C.
Torch. Respondent presented testimony from its experts, Dr.
Lucy Rorke, a neuropathologist, and Dr. John MacDonald, a pediatric neurologist.
The special master relied on the testimony of the petitioners, finding that Cheyenne exhibited a significantly reduced level of consciousness on April 3 and 4, 1993, indicating a Table encephalopathy. She concluded that this encephalopathy caused his death and awarded $250,000 in compensation on May 30, 1997.
The respondent sought review, challenging the special master's application of the revised Vaccine Injury Table regulations and her causation analysis. The Court of Federal Claims, in an order dated September 23, 1997, reviewed the special master's decision.
The court noted that the Vaccine Injury Table requires a significantly decreased level of consciousness lasting at least twenty-four hours and requiring hospitalization. It found that the special master's opinion did not squarely address inconsistent testimony suggesting Cheyenne may have improved on April 4, 1993, and that the medical records did not substantiate the petitioners' testimony.
The court also found the causation analysis incomplete, noting that Dr. Torch's testimony was equivocal regarding whether the vaccine-related encephalopathy or the infection was the primary cause of death, and that his opinion focused on fever and sepsis rather than encephalopathy.
The court determined that the special master had not adequately applied the Table criteria or clearly established causation under either the Table method or the actual causation method. Consequently, the court remanded the case to the special master for additional factual findings on the Table criteria and causation, with a supplemental decision to be issued by November 21, 1997.
The public decision does not describe the specific symptoms, diagnostic tests, or treatments beyond the alleged encephalopathy and infection.
Theory of causation
Petitioners Patricia and June Shyface filed on April 4, 1995, on behalf of Cheyenne Michael Shyface, alleging death on April 5, 1993, four days after his first DPT vaccination on April 1, 1993. The alleged injury was a Table encephalopathy, which petitioners claimed caused his death. Respondent contended the cause of death was E. coli bacterial infection and pneumonia. Special Master E. LaVon French heard testimony on September 16, 1996, from petitioners, petitioners' expert Dr. William C. Torch, and respondent's experts Dr. Lucy Rorke and Dr. John MacDonald. The Special Master initially found a Table encephalopathy based on petitioners' testimony of reduced consciousness on April 3-4, 1993, and awarded $250,000 on May 30, 1997. However, the Court of Federal Claims, in an order by Judge Miller on September 23, 1997, remanded the case. The court found the Special Master failed to apply the revised Vaccine Injury Table regulations requiring specific duration and severity of encephalopathy (at least 24 hours, requiring hospitalization) and did not adequately address conflicting testimony about the infant's condition on April 4. The court also found the causation analysis insufficient, noting Dr. Torch's equivocal testimony regarding whether the vaccine-related encephalopathy or the infection caused death, and that his opinion focused on fever and sepsis. The court required supplemental findings on whether the encephalopathy met Table criteria and whether it, or the vaccine, actually caused the death, allowing the Special Master to consider additional evidence.
Source PDFs
USCOURTS-cofc-1_95-vv-00272