The first ten amendments along with two others that were not ratified were proposed. by Congress on September 25, 1789, when they passed the Senate, having previously passed. the House on September 24 (1 Annals of Congress 88, 913).
But, if Selena had still been alive at that point, and if blood transfusions could have saved her, then yes, Selena's death might have resulted from her father's refusal to allow any more transfusions.
Selena's father, Abraham Quintanilla, Jr., had been told that Selena had been in an accident, and had been taken to Memorial Medical Center. It was not until he arrived at the hospital that he learned that she had been shot.