Over the next couple of weeks in the Intensive Care Unit, the patient's ventilatory support had been easily weaned, and she was ultimately extubated approximately a week after transplant.
 The patient had a heart transplant. 
(ROOT (S (PP (IN Over) (NP (NP (NP (DT the) (JJ next) (NN couple)) (PP (IN of) (NP (NNS weeks)))) (PP (IN in) (NP (DT the) (NNP Intensive) (NNP Care) (NNP Unit))))) (, ,) (S (NP (NP (DT the) (NN patient) (POS 's)) (JJ ventilatory) (NN support)) (VP (VBD had) (VP (VBN been) (VP (ADVP (RB easily)) (VBN weaned))))) (, ,) (CC and) (S (NP (PRP she)) (VP (VBD was) (ADVP (RB ultimately)) (NP (NP (JJ extubated) (QP (RB approximately) (DT a)) (NN week)) (PP (IN after) (NP (NN transplant)))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBD had) (NP (DT a) (NN heart) (NN transplant))) (. .)))
( ( Over ( ( ( the ( next couple ) ) ( of weeks ) ) ( in ( the ( Intensive ( Care Unit ) ) ) ) ) ) ( , ( ( ( ( ( ( ( the ( patient 's ) ) ( ventilatory support ) ) ( had ( been ( easily weaned ) ) ) ) , ) and ) ( she ( ( was ultimately ) ( ( extubated ( ( approximately a ) week ) ) ( after transplant ) ) ) ) ) . ) ) )
( ( The patient ) ( ( had ( a ( heart transplant ) ) ) . ) )