"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
Case Information
- Citation: [2022] SGHC 163 (Para 0)
- Court: In the General Division of the High Court of the Republic of Singapore (Para 0)
- Date of Judgment: 12 July 2022 (Para 0)
- Date Heard / Reserved: 17 May 2022; Judgment reserved (Para 0)
- Coram: Choo Han Teck J (Para 0)
- Case Number: District Court of Appeal No 53 of 2021 (Para 0)
- Area of Law: Tort — Negligence — Medical Negligence — Informed Consent (Para 0)
- Counsel for the Appellant: Edmund Kronenburg (Braddell Brothers LLP) (instructed), Lee Kwang Chian (Michael Hwang Chambers LLC) (Para 0)
- Counsel for the Respondents: Lim Min (K&L Gates Straits Law) (instructed), Charles Lin Ming Khin (Charles Lin LLC) (Para 0)
What Was the Appeal About in Sheng Ling Huo v Orthosports@Novena & 2 Ors?
This was an appeal in a medical negligence dispute arising out of a left total knee replacement performed on Mr Sheng Ling Huo at Mount Elizabeth Novena Hospital on 19 December 2013. The central complaint was that the defendant doctors allegedly failed to warn him of the risk of dislodgement of the polyethylene liner in the knee implant, and that this omission should itself found liability when the risk later materialised. The High Court rejected that approach and dismissed the appeal. (Para 1) (Para 7) (Para 17)
"On 19 December 2013, when he was 68 years old, he had a total knee replacement of his left knee at the Mount Elizabeth Novena Hospital (“the Hospital”)." — Per Choo Han Teck J, Para 1
The court’s reasoning turned on two connected points. First, the judge held that a failure to warn of a risk does not automatically create culpability for the injury that later arises from that risk. Second, the judge accepted the trial judge’s factual findings that Mr Sheng had not proved a lack of informed consent, and that the evidence did not establish negligence. The appeal therefore failed both on principle and on the facts. (Para 11) (Para 12) (Para 17)
"But as the court below found, this issue is academic because Mr Sheng is unable to prove that there was no informed consent." — Per Choo Han Teck J, Para 12
The judgment is also important because it expressly states that Chester v Afshar does not represent the law in Singapore, and it reinforces the appellate restraint owed to findings of fact made by the trial judge unless they are plainly wrong or against the weight of the evidence. The court relied on those principles to uphold the dismissal of both the informed consent claim and the negligence claim. (Para 8) (Para 17)
How Did the Medical Treatment and Subsequent Complications Unfold?
Mr Sheng’s surgery took place on 19 December 2013, when he was 68 years old, and it was a left total knee replacement at Mount Elizabeth Novena Hospital. After post-surgical physiotherapy, he was discharged uneventfully on 24 December 2013. The judgment presents this as an initially successful operation, with no immediate complication recorded at discharge. (Para 1) (Para 2)
"After post-surgical physiotherapy, Mr Sheng was discharged uneventfully on 24 December 2013." — Per Choo Han Teck J, Para 2
The first record of a problem appeared much later, on 27 May 2015. The court noted that a scan on 7 July 2015 showed that the polyethylene liner had been displaced by 8mm. That finding was significant because it established the factual basis for the later complaint, but it also showed that the problem arose long after the surgery and was not an immediate post-operative event. (Para 6)
"The earliest record that there was a problem with the knee replacement was on 27 May 2015." — Per Choo Han Teck J, Para 6
"The scan shows that the polyethylene liner had been displaced by 8mm." — Per Choo Han Teck J, Para 6
Dr Bell advised revision surgery after the scan, but Mr Sheng declined that recommendation. The judgment also records that the doctors had already offered corrective surgery free of charge, and that Mr Sheng later claimed the monetary costs of corrective surgery and attendant costs in the action. Those facts mattered to the court’s assessment of whether liability should be imposed for the alleged failure to warn. (Para 6) (Para 14)
What Were the Appellant’s Main Arguments on Informed Consent and Chester v Afshar?
The appellant’s core submission was that the defendants’ failure to inform Mr Sheng of the risk of dislodgement of the polyethylene liner was, by itself, enough to establish liability. Counsel relied on Chester v Afshar to support the proposition that a failure to warn of a material risk can found responsibility even where the precise causal chain is contested. The judgment records that this was the principal legal route advanced on appeal. (Para 7)
"So far as the allegation of the defendant doctors’ failure to obtain informed consent from him is concerned, Mr Kronenburg, counsel for Mr Sheng, referred me to Chester v Afshar [2005] AC 134, in aid of his argument that the defendants’ failure to inform Mr Sheng of the risk of dislodgement of the polyethylene liner is, in itself, a sufficient ground to find liability." — Per Choo Han Teck J, Para 7
The appellant’s position necessarily depended on the court accepting that the risk should have been specifically disclosed and that the omission itself was actionable. But the judge did not accept that framing. Instead, he treated the issue as one that had to be resolved in the factual context of the consultation, the evidence of what was said, the medical notes, the consent form, and the trial judge’s findings. (Para 8) (Para 11)
The appellant also had to overcome the trial judge’s factual findings. That was a difficult task because the High Court reiterated the orthodox appellate standard: factual findings are not reversed unless plainly wrong or against the weight of the evidence. The judge therefore approached the appeal with deference to the trial judge’s assessment of the evidence, rather than as a fresh trial of the facts. (Para 8)
"An appellate court will not reverse the findings of fact made by the judge of first instance unless such findings are plainly wrong or against the weight of the evidence" — Per Choo Han Teck J, Para 8
Why Did the Court Reject the Argument That Failure to Warn Automatically Creates Liability?
The court’s answer was direct: a failure to provide advice on a risk cannot, by itself, lead to culpability for the injury arising from that risk. That statement is the judgment’s clearest ratio on the legal issue of informed consent. The judge did not accept a rule that would impose liability merely because a risk was not mentioned and later materialised. Instead, liability had to be assessed in context. (Para 11)
"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
The judge then explained why, on the facts before him, it would not be right to impose liability simply because there had been no inquiry into whether Mr Sheng would have consented had he been told of the risk of displacement. The court pointed to Mr Sheng’s age, the pain in his knee before surgery, the fact that the surgery was offered completely free without personal expense, the small and non-life-threatening nature of the risk, the fact that the risk materialised almost two years after surgery, and the offer of corrective surgery without cost. Those considerations led the judge to reject the proposition that liability should follow automatically from the alleged omission. (Para 12)
"Given Mr Sheng’s age and the pain his knee was giving him before the surgery; the fact that he was offered the surgery completely free without his personal expense; the risk was a small one that was not life-threatening or serious; that it materialised, as the judge found, almost two years after the surgery, and Mr Sheng was offered a corrective surgery without cost, should the defendants here be liable just because there was no inquiry as to whether Mr Sheng would have consented to the surgery had he been told of the risk of a displacement of the polyethylene liner? I think not." — Per Choo Han Teck J, Para 12
The court also made clear that it was unnecessary to go further into causation because the informed consent point failed at an earlier stage. The judge said the issue was academic because Mr Sheng could not prove that there was no informed consent. That meant the appeal could not succeed on the theory that a warning omission alone was enough. (Para 12)
"But as the court below found, this issue is academic because Mr Sheng is unable to prove that there was no informed consent." — Per Choo Han Teck J, Para 12
How Did the Court Deal with the Evidence on Consent and Negligence?
The court accepted the trial judge’s factual findings and expressly agreed that there was no evidence of negligence against the defendants. The judge noted that Dr Bell’s evidence was that he had advised Mr Sheng of the risk of implant failure, and that this evidence was not challenged or disproved at trial because Mr Sheng himself could not remember what had been said during the consultation. That evidential posture was fatal to the appellant’s attempt to prove a lack of informed consent. (Para 8)
"On the facts, the evidence of Dr Bell that he had advised Mr Sheng of the risk of implant failure was not challenged or disproved at trial because on his own evidence, Mr Sheng could not remember what was told to him in his consultation with Dr Bell." — Per Choo Han Teck J, Para 8
The judge also observed that Dr Bell’s evidence was corroborated by the medical notes and the consent form. That corroboration mattered because it meant the trial judge was not relying on a bare assertion by the doctor alone. The High Court therefore treated the factual finding that consent had been obtained as supported by the documentary record as well as the oral evidence. (Para 8)
"And Dr Bell’s evidence is corroborated by the medical notes and the consent form." — Per Choo Han Teck J, Para 8
In addition, the court referred to the trial judge’s conclusion that there was no evidence of negligence and stated that it fully agreed with that conclusion. The appellate judge did not identify any factual or legal basis on which to disturb that finding. The result was that both the negligence claim and the informed consent claim failed. (Para 17)
"The trial judge found on the facts, no evidence of negligence against the defendants, and I agree fully with her." — Per Choo Han Teck J, Para 17
Why Did the Court Say Chester v Afshar Did Not Assist the Appellant?
The court treated Chester v Afshar as a case relied on by the appellant, but it declined to adopt its approach as part of Singapore law. The judge said expressly that Afshar does not represent the law in Singapore, and cited Tong Seok May Joanne v Yau Hok Man Gordan together with D’Conceicao Jeanie Doris v Tong Ming Chuan in support of that proposition. This was a decisive answer to the appellant’s attempt to use Chester as a shortcut to liability. (Para 8)
"Afshar does not represent the law in Singapore (Tong Seok May Joanne v Yau Hok Man Gordan [2013] 2 SLR 18; D’Conceicao Jeanie Doris (administratrix of the estate of Milakov Steven, deceased) v Tong Ming Chuan [2011] SGHC 193)." — Per Choo Han Teck J, Para 8
The judge also explained that the majority in Afshar had referred to Chappel v Hart, and that the reasoning in those cases involved questions of causation and common sense. But the High Court did not accept that those authorities displaced the ordinary Singapore approach to informed consent and negligence. The court’s treatment of the foreign authorities was therefore limited and critical rather than adoptive. (Para 9)
"The majority in Afshar referred to and found support in Chappel v Hart (1998) 195 CLR 232 (“Chappel”)." — Per Choo Han Teck J, Para 9
By saying that Afshar does not represent Singapore law, the court effectively closed off the appellant’s attempt to convert a failure-to-warn allegation into automatic liability. The judgment instead insisted on proof, context, and factual support. That is why the court said it was enough to dismiss the appeal on the informed consent point without needing to address causation in detail. (Para 8) (Para 11) (Para 12)
"It would be sufficient for me to dismiss Mr Sheng’s appeal on this point. And it is not necessary for me to address Mr Kronenburg’s arguments relating to causation, save to say that Afshar does not represent the law in Singapore" — Per Choo Han Teck J, Para 8
What Role Did the Appellate Standard of Review Play in the Outcome?
The appellate standard of review was central because the appellant was, in substance, asking the High Court to overturn factual findings made by the trial judge. The High Court reminded itself that it should not reverse findings of fact unless they are plainly wrong or against the weight of the evidence. That standard made it difficult for the appellant to dislodge the trial judge’s conclusions on what was said during the consultation and whether informed consent had been obtained. (Para 8)
"An appellate court will not reverse the findings of fact made by the judge of first instance unless such findings are plainly wrong or against the weight of the evidence (Alagappa Subramanian v Chidambaram s/o Alagappa [2003] SGCA 20 at [13])." — Per Choo Han Teck J, Para 8
Applying that standard, the judge concluded that the trial judge’s findings could not be said to be plainly wrong or against the weight of the evidence. The court specifically referred to the corroboration from the medical notes and consent form, and to the fact that Mr Sheng could not remember what had been said at the consultation. Those features meant the appellant had not shown any basis for appellate interference. (Para 8)
"For these reasons, I am of the view that learned DJ’s finding cannot be said to be plainly wrong or against the weight of the evidence." — Per Choo Han Teck J, Para 8
This deference to the trial judge was not merely procedural. It shaped the substantive outcome because the informed consent issue depended heavily on what was communicated before surgery. Once the High Court accepted the trial judge’s factual findings, the appellant’s legal theory lost its factual foundation. (Para 8) (Para 12)
How Did the Court Treat the Facts About Mr Sheng’s Condition, the Risk, and the Offer of Free Revision Surgery?
The judge’s reasoning on liability was closely tied to the practical circumstances surrounding the surgery and the later complication. He noted Mr Sheng’s age, the pain in his knee before surgery, the fact that the surgery was offered completely free, and the fact that the risk was small and not life-threatening or serious. These facts were used to explain why the court would not impose liability merely because there had been no specific inquiry into whether Mr Sheng would have consented if warned of the risk of liner displacement. (Para 12)
"Given Mr Sheng’s age and the pain his knee was giving him before the surgery; the fact that he was offered the surgery completely free without his personal expense; the risk was a small one that was not life-threatening or serious..." — Per Choo Han Teck J, Para 12
The court also emphasised that the risk materialised almost two years after the surgery, which further weakened any attempt to treat the omission as automatically causative of the injury. The judge then noted that corrective surgery was offered without cost, but Mr Sheng declined it. That sequence of events reinforced the court’s view that the case did not justify liability on the basis advanced by the appellant. (Para 12) (Para 6)
"...that it materialised, as the judge found, almost two years after the surgery, and Mr Sheng was offered a corrective surgery without cost..." — Per Choo Han Teck J, Para 12
The judgment also records that Mr Sheng was claiming the monetary costs of corrective surgery and attendant costs, even though corrective surgery had already been offered free of charge. That fact was relevant to the court’s practical assessment of the claim and to its conclusion that the appeal lacked merit. (Para 14) (Para 17)
"He is now claiming in this action the monetary costs of corrective surgery and all the attendant costs, which corrective surgery the doctors had already offered him free of charge and he declined." — Per Choo Han Teck J, Para 14
What Did the Court Ultimately Decide, and What Orders Were Made?
The High Court dismissed the appeal in emphatic terms. The judge said the appeal was entirely without merits and ordered costs to be taxed if not agreed. That order reflected the court’s view that the appellant had not established either a legal basis or a factual basis for overturning the trial judge’s decision. (Para 17)
"This appeal is entirely without merits and is therefore dismissed with costs to be taxed if not agreed." — Per Choo Han Teck J, Para 17
The court also expressly agreed with the trial judge that there was no evidence of negligence against the defendants. In combination with the finding that informed consent had not been disproved, that meant the appellant failed on every material issue. The judgment therefore ended with a complete victory for the respondents. (Para 17) (Para 8)
"The trial judge found on the facts, no evidence of negligence against the defendants, and I agree fully with her." — Per Choo Han Teck J, Para 17
Because the appeal was dismissed with costs, the practical consequence was that Mr Sheng not only failed to obtain damages or corrective-surgery costs, but also became liable for the respondents’ costs of the appeal, subject to taxation if not agreed. The court’s final order thus reinforced the seriousness with which it viewed the lack of merit in the appeal. (Para 17)
Why Does This Case Matter for Singapore Medical Negligence Law?
This case matters because it clarifies that Singapore law does not treat a failure to warn of a risk as automatically sufficient to establish liability when the risk later materialises. The court’s statement that such a failure cannot, in itself, lead to culpability is a clear and practical guide for future informed consent disputes. It also signals that plaintiffs must prove more than the mere occurrence of an undisclosed risk. (Para 11)
"It is clear to me that a failure to provide advice on a risk cannot, in itself, lead to culpability for the injury arising from that risk." — Per Choo Han Teck J, Para 11
The case is also important because it rejects the proposition that Chester v Afshar governs Singapore law. By stating that Afshar does not represent the law in Singapore, the court preserved the existing Singapore approach, which remains anchored in evidence, causation, and the ordinary principles governing negligence and informed consent. That makes the case a useful authority for resisting attempts to import a more plaintiff-friendly foreign rule without local doctrinal support. (Para 8)
"Afshar does not represent the law in Singapore" — Per Choo Han Teck J, Para 8
Finally, the case is a reminder of the importance of trial-level fact-finding in medical negligence litigation. The High Court’s reliance on the medical notes, the consent form, the doctor’s evidence, and the plaintiff’s inability to remember the consultation shows that informed consent cases often turn on documentary and testimonial detail. For practitioners, the decision underscores the need to build or challenge the factual record carefully at trial, because appellate intervention will be limited. (Para 8)
Cases Referred To
| Case Name | Citation | How Used | Key Proposition |
|---|---|---|---|
| Chester v Afshar | [2005] AC 134 | Cited by the appellant to argue that failure to warn of the risk of dislodgement of the polyethylene liner was itself sufficient to establish liability; discussed and rejected as representing Singapore law. | Used to support the appellant’s informed consent argument, but the court held it does not represent the law in Singapore. (Para 7) (Para 8) |
| Alagappa Subramanian v Chidambaram s/o Alagappa | [2003] SGCA 20 | Cited for the appellate standard of review on findings of fact. | An appellate court will not reverse findings of fact unless they are plainly wrong or against the weight of the evidence. (Para 8) |
| Tong Seok May Joanne v Yau Hok Man Gordan | [2013] 2 SLR 18 | Cited with D’Conceicao to support the statement that Afshar does not represent Singapore law. | Supports the proposition that Singapore law does not adopt Afshar. (Para 8) |
| D’Conceicao Jeanie Doris (administratrix of the estate of Milakov Steven, deceased) v Tong Ming Chuan | [2011] SGHC 193 | Cited with Tong Seok May Joanne to support the statement that Afshar does not represent Singapore law. | Supports the proposition that Singapore law does not adopt Afshar. (Para 8) |
| Chappel v Hart | (1998) 195 CLR 232 | Discussed as a case referred to by the majority in Afshar. | Illustrates the reasoning that informed the majority in Afshar concerning causation and common sense. (Para 9) |
Legislation Referenced
- None expressly referenced in the extracted judgment. (Para 0) (Para 8) (Para 11)
Source Documents
This article analyses [2022] SGHC 163 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.