he has undergone heart surgery vs he had undergone heart surgery

Both phrases are correct, but they are used in different contexts. "He has undergone heart surgery" is used when referring to a recent event or when the focus is on the present result of the surgery. "He had undergone heart surgery" is used when talking about a past event that occurred before another point in the past.

Last updated: March 19, 2024 • 4545 views

he has undergone heart surgery

This phrase is correct and commonly used in English.

This phrase is used to indicate that someone has recently had heart surgery or to emphasize the present result of the surgery.

Examples:

He has undergone heart surgery and is now recovering at home.
The patient has undergone heart surgery and is doing well.

Show examples from the web [+]

Aug 13, 2014 ... The toddler has been in Israel since June with his father, where he has undergone heart surgery through the Save a Child's Heart Foundation.
Aug 5, 2015 ... He has undergone heart surgery and still requires 24-hour care. Proud mum Aisling McNiffe said Jack reached a milestone when he celebrated ...
Mar 5, 1996 ... ... Gigante has been hospitalized several times for treatment of mental and physical ailments and friends say he has undergone heart surgery.
Here's my story. The pendant broke in half 2 or 3 days before the operation of the one who gave me the pendant. He has undergone heart surgery and he got ...

Alternatives:

He underwent heart surgery
He has had heart surgery
He underwent a heart operation
He has undergone a surgical procedure on his heart
He has undergone a cardiac procedure

he had undergone heart surgery

This phrase is correct and commonly used in English.

This phrase is used to talk about a past event that happened before another point in the past, often in the context of narrating a sequence of events.

Examples:

By the time he returned to work, he had already undergone heart surgery.
He had undergone heart surgery before the complications arose.

Show examples from the web [+]

Jun 19, 2012 ... ... who played a mini-Darth Vader in a Volkswagen commercial, Monday left a hospital in Los Angeles where he had undergone heart surgery.
Jul 13, 2008 ... The hospital did not release the cause of death, but he had undergone heart surgery in 2006. Over a 70-year medical career, Dr. DeBakey ...
Consider the difference between the two following sentences: (a) “The king returned to the clinic where he had undergone heart surgery in 2000 in a limousine ...
Bernard Kliban died at UCSF Medical Center aged 55 of a pulmonary embolism; he had undergone heart surgery there two weeks previously. He was survived ...

Alternatives:

He had had heart surgery
He had undergone a heart operation
He had undergone a surgical procedure on his heart
He had undergone a cardiac procedure
He had undergone surgery on his heart

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he has undergone heart surgery vs he had undergone heart surgery