A negligent doctor who killed a patient during a routine hospital procedure has been struck off.
Isyaka Mamman, 85, was working at the NHS Royal Oldham Hospital when a 'highly dangerous' technique during an operation inadvertently led to the death of mum-of-three Shahida Parveen.
She died at the age of 48 after attending the hospital for a routine bone marrow biopsy.
Mamman carried out a procedure rarely used in the UK, instead of using the conventional technique, reports Manchester Evening News.
He had tried to take a sample from the hip bone to perform the biopsy, but was unsuccessful and instead went to take a sample from her sternum (or 'breastbone').
Mamman inserted the biopsy needle but missed the sternum 'altogether', inflicting a fatal puncture wound to the pericardium which encloses the heart.
After Mrs Parveen collapsed, her husband came running out of the room shouting: "He killed her! I told him to stop three times and he did not listen. He killed her."
The doctor, who was aged 81 at the time of Mrs Parveen's death but had pretended to be 11 years younger to avoid retirement, was jailed for three years last July after pleading guilty to gross negligence manslaughter at Manchester Crown Court.
Following disciplinary proceeds since instigated by the Medical Practitioners Tribunal Service, Mamman has now been struck off the register of doctors.
He did not attend the hearing, and remains in prison serving his sentence.
A report from the tribunal said it was "in the public interest to make an order suspending his registration with immediate effect" to "maintain public confidence in the profession'.
The crown court heard last year that questions over Mamman's competence had already been raised before he killed Mrs Parveen.
He had left his previous job with the Medway Trust in Kent due to 'poor performance' before joining Pennine Acute Hospitals NHS Trust in 2004, and multiple former patients had complained over his practices during similar operations.
A female patent made a formal complaint in 2015 after she was left in 'considerable pain' when he had used 'excessive force' while conducting a bone marrow biopsy.
She claimed she was told afterwards that colleagues thought Mamman should retire due to his age, but that they 'could not dismiss him purely because of his age'.
The woman said she was told that the doctor would 'only be doing light duties from now on' and 'would not be performing any more procedures' - but that same year Mamman carried out another 'routine' bone marrow biopsy which led to a 64-year-old man suffering a cardiac arrest.
After the sentencing hearing, Dr Chris Brookes, Group Chief Doctor and Deputy Chief Executive for the Northern Care Alliance NHS Foundation Trust, said: "We wish again to offer our sincerest condolences to Mrs Parveen’s family and friends and we are deeply sorry for their loss.
"We would like to reiterate our sincere apology previously provided to Mrs Parveen’s family.
"Our heartfelt sympathies go out to them. Following Mrs Parveen’s death in September 2018, t"he trust launched a thorough internal investigation to examine the circumstances leading up to and following this tragic incident.
"The trust has liaised closely with Greater Manchester Police throughout their investigation and the subsequent legal proceedings concerning Dr Mamman."
