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Cite as: [2001] IEHC 97

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Cahill v. Dental Council [2001] IEHC 97 (15th June, 2001)

THE HIGH COURT
2000 No. 579 SP
IN THE MATTER OF DENTISTS ACT 1985
AND IN THE MATTER OF SECTION 41(3) THEREOF
AND IN THE MATTER OF AN APPLICATION OF A REGISTERED DENTIST
BETWEEN
RONAN CAHILL
APPLICANT
AND
THE DENTAL COUNCIL
RESPONDENT
JUDGMENT of Mr. Justice McCracken delivered the 15th day of June, 2001 .
INTRODUCTION
The Dental Council was established under the Dentists Act 1985 to oversee the registration and control of persons engaged in the practice of dentistry, and included in its remit are certain disciplinary procedures. As part of these procedures the Act set up a Fitness to Practice Committee. The statutory provisions relative to these proceedings are:-
38(1): The Council or any person may apply to the Fitness to Practice Committee for an enquiry in to the fitness of a registered dentist to practice dentistry on the grounds of:-
(a) his alleged professional misconduct, or
(b) his alleged unfitness to engage in such practice by reason of physical or mental disability.
And the application shall, subject to the provisions of this Act, be considered by the committee established by the Council under Section 13(2)(b) of this Act (in this Act referred to as the “Fitness to Practice Committee”).
(3): Where an application for an inquiry is made under this section and the Fitness to Practice Committee, after consideration of the application, is either of opinion that there is a prima facie case for holding the enquiry or.......
The following shall have effect:-
(a) The Fitness to Practice Committee shall proceed to hold the inquiry.
(b) The registrar, or any other person with the leave of the Fitness to Practice Committee shall present to that committee the evidence of alleged professional misconduct .....
(c) On completion of the inquiry, the Fitness to Practice Committee shall embody its findings in a report to the Council specifying therein the nature of the application and the evidence laid before it and any other matters in relation to the registered dentist which it may think fit to report including its opinion, having regard to the contents of the report, as to:-
(i) The alleged professional misconduct of the registered dentist.
39(1): Where the registered dentist:-
(a) has been found by the Fitness to Practice Committee, on the basis of an inquiry and report under Section 38 of the this Act, to be guilty of professional misconduct.... the Council may decide that the name of such person should be erased from the register or from the Register of Dental Specialists, as the case may be, or that, during a period of specific duration, registration of his name and the register concerned should not have effect.
40(1): The Counsel, following an inquiry and report by the Fitness to Practice Committee under Section 38 of this Act, may decide to attach such conditions as it thinks fit to the retention in any register maintained under this Act of a person whose name is entered in such register.
(2): On making a decision under this Section, the Council shall forthwith send by prepaid post to the person to whom the decision relates, at his address as stated in the register, a notice in writing stating the decision, the date thereof and the reasons therefor.
(3): A person to whom a decision under this Section relates may, within the period of 21 days beginning on the date of the decision, apply to the High Court for cancellation of the decision and if he so applies:-
(a) The High Court, on the hearing of the application, may
(i) cancel the decision, or
(ii) declare that it was proper to make a decision under this Section in relation to such person and (as the Court may think proper) direct the Council to attach such conditions as the Court thinks proper to the retention of the name of such person in any register maintained under this Act, or
(iii) give such other directions to the Council as the Court thinks proper.
(7): The Council may at any time remove in whole or in part the conditions attached to the retention of the name of any person in any register maintained under this Act.
41(1): The Council, following an inquiry and report by the Fitness to Practice Committee under Section 38 of this Act into the conduct of a person whose name is entered in any register maintained under this Act may, on receipt of the report of that committee, if it so thinks fit, advise, admonish or censure such person in relation to his professional conduct.”

1. The procedures to be followed on an appeal to the High Court have been clearly set out by Finlay P., as he then was, in Re: M., a Doctor (1984) I.R. 479 at page 483 where he said:-

“For these reasons I have come to the following conclusions. Upon the making by a Practitioner of an application to the High Court under either Section 46 or 47, to cancel a decision of the Council, the onus of proving the alleged misconduct of the Practitioner rests on the Council - as does the onus of establishing that the decision made by the Council with regard to the appropriate penalty is correct. Notwithstanding the use of the expression “cancel the decision” in Sections 46 and 47, I am satisfied that the procedure does not constitute a mere appeal from the combined decisions of the committee and of the Council but is an entire trial of the issues involved.”

2. It is accepted by Mr. Feeney S.C. on behalf of the Respondent that the onus does rest on it, and further that standard of proof is proof beyond reasonable doubt. At the commencement of this hearing an application was made on behalf of the Applicant to amend his Notice of Motion to include a claim that the report of the Fitness to Practice Committee to the Respondent in the present case is so deficient in material particulars that it could not form a proper basis for the Respondent’s decision. I allowed the amendment on certain terms, but it seems quite clear to me that, as this is a complete rehearing, I am not concerned with the findings of the Fitness to Practice Committee or the factual basis upon which penalties were imposed on the Applicant in the present case. I have to determine these matters on the evidence before me, and not on the evidence before the Fitness to Practice Committee.


BACKGROUND TO THE CASE

3. The complaints against the Applicant arose from his treatment of an eight year old patient (hereinafter called “Alec”). Alec had previously been treated in a local Health Board Clinic for dental problems and had become extremely upset and unco-operative, and refuse to return to the clinic for further treatment. He was in need of two fillings and probably the removal of a tooth, and was going to need future orthodontic treatment. His mother was advised by the Health Board Clinic to take him to a private practitioner who might have better facilities for dealing with a difficult child.

4. The Applicant’s practice is a long established family practice in which the principal practitioners are the Applicant, his father and his uncle, all of whom are also qualified medical doctors. Alec’s father had many years earlier as a child attended the practice and at his suggestion an appointment was made for the Applicant to see Alec on 22nd October, 1996 for an initial assessment. He duly attended at the Applicant’s surgery with both his parents. Slightly differing accounts of what took place are given by Alec’s parents and by the Applicant, but certain facts are either agreed or have in my opinion been established beyond reasonable doubt in relation to that attendance. These are:-

1. Alec’s parents were very anxious that any procedures to be carried out should not be frightening or traumatic to him, particularly in view of the future orthodental treatment which he would need.
2. To this end, they wanted Alec to be, in their words, “ asleep”.
3. They did not understand, nor was it explained to them by the Applicant, the distinction between sedation and general anaesthesia. I am satisfied, however, that they believed that the treatment that Alec was going to get would take place at a time when he was unconscious.
4. Alec’s mother wished to be present during the procedure or at least until Alec was unconscious.
5. The Applicant examined Alec briefly and may have taken wing byte X rays, although this is disputed by Alec’s parents. In view of the nature of the onus of proof, I think I must assume in the Applicant’s favour that he did take X rays, and that they have since become mislaid.
6. The Applicant took a medical history of Alec, including the fact that he suffered from asthma and eczema.
7. There was no discussion or mention of intravenous sedation or indeed of how the Applicant proposed to put Alec asleep as requested by his parents.
8. Alec’s parents were given a printed document headed “Guidelines for Patients requiring sedation”.

5. On 4th November, 1996 Alec and his mother duly attended the surgery to have the fillings carried out. Alec’s mother went in to the surgery with him, Alec got in to the chair but became distressed. The Applicant asked Alec’s mother not to speak, and subsequently asked her to leave and wait in the downstairs waiting room. She left the room, but in fact waited outside the surgery. There were two dental nurses in attendance and Alec was distressed and crying. The Applicant, with the aid of the nurses, inserted the intravenous cannula in to Alec’s arm and commenced to inject a sedative. Alec was still crying loudly, and his mother came back into the surgery and claims that she saw the Applicant with his hand over Alec’s mouth. The Applicant states that this was to prevent Alec from hyperventilating, and he also says that Alec’s mother came over to Alec and actually slapped him in the face and told him to stop crying. Fortunately, I do not have to make any determination as to the rights and wrongs of the behaviour of both the Applicant and Alec’s mother as these are not issues before me, and I think it should be made clear that, while there were complaints before the Fitness to Practice Committee, the Applicant was found not guilty of any physical maltreatment of Alec. The sedative did not appear to be having any great effect, Alec was still very disturbed and his mother was distressed, and accordingly the entire procedure was aborted.

6. A few days later, by a letter dated 7th November, 1996, Alec’s mother made a complaint to the Respondent. This complaint was primarily concerned with the Applicant having his hand over Alec’s mouth. Correspondence ensued between the Respondent and the Applicant in the course of which the Applicant stated that Alec’s parents had wanted the treatment performed under general anaesthetic. The Respondent then sought details of what drugs were administered to Alec, and the Applicant’s initial response was that Alec received 10 mg diazemuls and 600 micrograms of atropine.

7. The Applicant was asked to expand further on the treatment and by letter dated 19th September, 1997 to the Respondent he stated, inter alia :-

2. Dr. A. Cahill (another member of the practice) was a member of the team available to treat Alec if it was felt that sedation alone would not be sufficient and that Alec should be given an anaesthetic. Both myself and Dr. A. Cahill were in a position to act either as anaesthetist or dental operator to suit Alec’s needs. My colleague was therefore available and waiting to be called in the adjacent room. My position was that if I could minimise the evasive treatment of Alec by sedating him to a point where he could be treated successfully I would have carried out the treatment under sedation, but if it was clear that clinical control could not be achieved without general anaesthesia then the diazemuls used for sedation would have assisted the induction of the anaesthetic, at which Dr. Cahill would have been present to proceed with the clinical work.
(3) Sedation/anaesthesia was to be secured by way of an indwelling intravenous cannula using an appropriate doze of diazemuls (approximately 10-20 mg in this case) given to determine whether sedation had been adequately secured. The same agent could also be used for induction for anaesthesia (in accordance with Dental Council Guidelines Anexate was available to reverse the procedure if required).
(5) As noted in 2. above the aim was to secure a safe state for the patient, either sedated or under general anaesthesia as appropriate. Equipment in order to ensure the safe provision of anaesthetic/sedation and the dealings of appropriate emergencies in accordance with the Council’s guidelines was available.”

8. Following further queries, the Applicant stated, inter alia , by letter dated 23rd May, 1998-

“One 10 mg ampoule of diazemuls was partially administered to the patient who received an estimated 5-8 mg. This was in keeping with the manufacturers data sheet instructions of 0.1 - 0.2 mg/kg of body weight for a child of 30-40 kgs. At this dosage the level of sedation achieved was inadequate and so in accordance with the manufacturers data sheet, (dosage and administration, paragraph 1, 2) administration of a further increment of the drug would have been slowly titrated against the patients response to secure an appropriate level of sedation. In some cases appropriate levels of sedation are achieved using less than the recommended dose and in some cases it may be necessary to give more.”

PROCEEDINGS BEFORE THE FITNESS TO PRACTICE COMMITTEE

9. Following this correspondence and the complaints by Alec’s mother, an inquiry was held before the Fitness to Practice Committee of the Respondent. Certain of the allegations against the Applicant were not proceeded with, and he was found not guilty of other allegations. However, the committee found him guilty of the following allegations:-

“That you, being a registered dentist, failed to use and/or apply appropriate procedures in and about the management and treatment of your patient, Alec, on or about the 22nd day of October, 1996 and the 4th day of November 1996 in that you:-
(c) Proceeded to carry out an intravenous sedation/general anaesthetic procedure without ensuring that proper professional monitoring standards were in place and/or being applied.
(d) Failed to adequately explain to the parents of the patient the nature of the procedure you intended carrying out.
(f) Failed to carry out appropriate pre-sedation/anaesthetic assessment of the patient.
(g) Failed to take the appropriate steps to ensure that no more than the recommended dosages of medication were used.
(h) Administered, or intended to administer, an excessive dosage of diazemuls without sufficient cause.
(j) Failed to have due regard to the Dental Council’s guidelines concerning intravenous sedation of children under the age of ten.
(k) Carried out, or intended to carry out, a general anaesthetic procedure whilst at the same time being the practitioner intending to carry out the dental procedure.”

10. As a result of these findings the Respondent decided to censure the Applicant in relation to his professional conduct pursuant to Section 41 of the Dentist Act 1985 and further imposed certain conditions on the Applicant pursued to Section 40 of that Act. These conditions were:-

“(1) That you do not engage in a practice of dentistry involving the use of general anaesthesia or sedation.
(2) The condition outlined at (1) above shall not operate so as to preclude you from making arrangements with one or more consultant anaesthetists to be approved in advance by the Council to attend at your practice(s) for the purpose of administering sedation to patients of such practice(s) provided the consulting anaesthetists so attending remain throughout the treatment of the sedated patients until their discharge .
(3) That you should prominently display a notice in your surgery and your waiting room (the form should be approved by the Dental Council) advising patients of the foregoing conditions (1) and (2).
(4) You should successfully complete an educational course in paediatric dentistry approved by the Dental Council.
(5) That you shall admit representatives of the Council to any premises where you practice dentistry, but excluding the residential portion of such premises, at all reasonable times for the purpose of ensuring compliance with the foregoing conditions (1), (2) and (3).”

11. It is from these findings that the Applicant has appealed to the High Court.


EXPERT EVIDENCE

12. A number of medical and dental experts gave evidence before me. However, before turning to consider their evidence, there are two documents which appear to me to be essential to the case. The first of these is the data sheet issued by the manufacturers of diazemuls and as I understand it included in each container of diazemuls ampoules. It identifies one of the uses of diazemuls as being for sedation prior to procedures such as dentistry. In relation to dosage and administration it states:-

“Diazemuls may be administrated by slow intravenous injection (1 ml) or by continuous infusion. Diazemuls should be drawn up in to the syringe immediately prior to administration.
Sedation: 0.1-0.2 mg diazepan/kg body weight by I.V. injection. The normal adult dose is 10-20 mg, but dosage should be titrated to the patients response”.

13. The second document is one which was issued by the Respondent a short time before these events took place. It is called “Guidelines relating to the Administration of General Anaesthesia and Sedation and on Resuscitation”. In these guidelines, general anaesthesia is defined as:-

“A controlled state of unconsciousness accompanied by a partial or complete loss of protective reflexes, which may include inability to maintain an airway independently and to response purposefully to physical stimulation or verbal control”.

14. Sedation is defined as:-

“Simple dental sedation is a carefully controlled technique in which a single intravenous drug or a combination of oxygen and nitro-oxide is used to reinforce hypnotic suggestion and reassurance in a way which allows dental treatment to be performed with minimal psychological stress. Verbal communication with the patient should be maintained at all times throughout the procedure and it is essential that the protective pharyngeal and laryngeal reflexes remain intact at all times, and that the patient breaths spontaneously without respiratory obstruction. The technique must carry a margin of safety wide enough to render unintended loss of consciousness unlikely.
Any technique of sedation other than as defined above is regarded as coming within the meaning of general anaesthesia.”

15. There is then a section dealing with intravenous sedation, which provides:-

“The definition of dental sedation requires intravenous sedation to be limited to the use of one drug with a single titrated dose and an end point remote from anaesthesia. The use of more than one drug must not be considered simple sedation and would require the same precautions as for the administration of a general anaesthetic.”

16. Most importantly, there is a provision that:-

“Intravenous sedation is not recommended for children particularly under the age of ten years”.

17. The section on intravenous sedation then ends with the warning:-

“Any dentist who carries out treatment under intravenous sedation without fulfilling the above conditions will almost certainly be considered to have acted in the manner which constitutes professional misconduct.”

18. It should also be added that a report commissioned in the United Kingdom a few years earlier known as the Poswillo Report states:-

“We do not recommend intravenous sedation for children, particularly those under the age of ten years. The use in all children should be approached with caution as the effects may be unpredictable.”

19. The expert evidence before me contained differences of emphasis, but little real difference of content. In particular, I am quite satisfied from the expert evidence that:-

(1) Intravenous sedation should only be used very sparingly on children, when there are exceptional circumstances justifying its use.
(2) The quantity of diazemul necessary to induce sedation varies from patient to patient.
(3) The dosage recommended in the data sheet would tend to allow for a considerable safety margin. However, the method of calculating the dosage by reference to the weight of the patient is the most effective guideline, and in all cases the patient should be weighted before determining the dosage.
(4) Diazemul should not be used to induce anaesthesia other than in very exceptional circumstances.

20. Finally, I have heard the evidence of the Applicant himself. It must be said that his evidence was somewhat at variance with the matters set out by him in correspondence with the Respondent, particularly with regard to his intentions, and also with regard to the amount of drug which was in fact administered. He accepts that he probably did not discuss the various alternatives sufficiently with Alec’s parents, and also acknowledges that he did not weight Alec, but rather relied upon his general experience in calculating the dosage. Unfortunately, his calculation of the weight of Alec in his correspondence with the Respondent was clearly wrong, as I am quite satisfied that Alec’s weight was in fact in the region of 25 kg and not the 30-40 kg calculated by the Applicant.

21. The Applicant also gave evidence that general anaesthesia, as he put it “in the hospital sense” was never carried out in his practice although he did imply that at times what some experts have called unconscious sedation was carried out, namely sedation to the point where the patient was asleep, but would react to stimuli.

22. Generally, while I found the Applicant to be truthful in his evidence, I think it also contained a considerable amount of what I might call justification by hind sight of his methods of treatment. Although he claimed, and I think rightly, that the practice specialised in sedation techniques, the only form of sedation used by the Applicant was intravenous sedation. He clearly believes this to be the best method available, and conceded that he used it on 20 - 40 children a year.


CONCLUSIONS

23. To deal with each of the charges before me individually:-

“(c) Proceeded to carry out an intravenous sedation/general anaesthetic procedure without ensuring that proper professional monitoring standards were in place and/or been applied.”

24. From the evidence of the Applicant and of other people employed in his practice I am not at all satisfied that he ever intended to carry out general anaesthetic procedure. I think he, possibly unwittingly, used that phrase in his correspondence with the Respondent, but I do not think that it was ever intended to have the meaning which has been attached to it by the Respondent. That being so, I am satisfied that there were proper professional standards in place in relation to intravenous sedation and that he is not guilty of this charge.


“(d) Fail to adequately explain to the parents of the patient the nature of the procedure you intended carrying out.

25. I am satisfied beyond all doubt that the Applicant did not explain to Alec’s parents either the alternatives available nor the sedation procedure which he intended to carry out. Furthermore, he did not, as he ought to have, warn the parents that it was not considered good practice to give intravenous sedation to a child of eight years of age. He is clearly guilty of this accusation.


“(f) Fail to carry out appropriate pre-sedation/anaesthetic assessment of the patient.”

26. As I have said, I do not think that anaesthesia was ever intended, but I am satisfied beyond all reasonable doubt that part of the appropriate assessment of Alec would have been to weight him, and that the Applicant failed to do this and is accordingly guilty of this charge.


“(g) Fail to take the appropriate steps to ensure that no more of the recommended dosages of medication were used.

27. Again, on the evidence before me, the failure to weight Alec was a failure to take an appropriate step and the Applicant is guilty of this charge. However, I would consider that it is in effect the same charge as the previous one.


“(h) Administered, or intended to administer, an excessive dosage of diazemuls without sufficient cause.”

28. I accept the Applicant’s evidence that he intended to administer only a sufficient quantity of diazemuls to sedate Alec, and I accept that the data sheet guidelines are probably very conservative. On balance, I am not satisfied beyond reasonable doubt that there was any intention to administer an excessive dosage, and certainly I am not satisfied that an excessive dosage was in fact administered. Accordingly, I would find him not guilty of this charge.


“(j) Fail to have due regard to the Dental Council’s guidelines concerning intravenous sedation of children under the age of ten.”

29. I have no doubt at all that the Applicant paid little or no attention to the guidelines in relation to the administration of intravenous sedatives to children, particularly under the age of ten, and I think he is guilty of this charge.


(k) Carried out, or intended to carry out, a general anaesthetic procedure whilst at the same time being the practitioner intending to carry out the dental procedure.”

30. As I have already said, I am not satisfied that the Applicant ever intended to carry out a general anaesthetic procedure, and he certainly never did carry out such a procedure, and accordingly he is not guilty of this charge.


DO THESE CHARGES CONSTITUTE PROFESSIONAL MISCONDUCT?

31. Professional misconduct is not defined in the Act, although its meaning has been considered in a number of cases. In particular, the authorities were reviewed in considerable detail by Keane J. in O’Laoire -v- The Medical Counsel (unreported 27th January 1995) from which authorities he deduced certain principles set out at page 106 as follows:-

“(1) Conduct which is “infamous” or “disgraceful” in a professional respect is “professional misconduct” within the meaning of Section 46(1) of the Act.
(2) Conduct which would not be “infamous” or “disgraceful” in any other person, if done by a medical practitioner in relation to his profession, that is, with regard either to his patients or to his colleagues, may be considered as “infamous” or “disgraceful” conduct in a professional respect.
(3) “Infamous” or “disgraceful” conduct is conduct involving some degree of moral turpitude, fraud or dishonesty.
(4) The fact that a person wrongly but honestly forms a particular opinion cannot of itself amount to infamous or disgraceful conduct in a professional sense.
(5) Conduct which could not properly be characterised as “infamous” or “disgraceful” and which does not involve any degree of moral turpitude, fraud or dishonesty may still constitute “professional misconduct” if it is conduct connected with his profession in which the medical practitioner concerned has seriously fallen short, by omission or commission, of the standards of conduct expected among medical practitioners.”

32. In the present case, there is no question of the conduct of the Applicant being either “infamous” or “disgraceful”. However, I feel I must come to the conclusion that some of the Applicant’s conduct in his professional practice as a dentist has seriously fallen short of the standards expected among dental practitioners. In my view this is so particularly in relation to his total failure to communicate properly with Alec’s parents and what appears to me to be his total disregard of the Respondent’s guidelines in relation to the use of intravenous sedation on children. I am quite satisfied that the Applicant did consistently use intravenous sedation on children where there were no exceptional circumstances, and in particular no exceptional circumstances have been offered in the case of the treatment of Alec. This, coupled with his failure to weigh Alec and therefore his failure to use the accepted guideline as to dosage did in my view constitute professional misconduct, particularly having regard to all the warnings about the use of intravenous sedation on children.


PENALTIES

33. Insofar as the failure to communicate with Alec’s parents is concerned, I am quite satisfied that a caution is a sufficient penalty, and I am satisfied that the Applicant would not repeat that error. However, in relation to the failure to have regard to the guidelines and the failure to use proper means to calculate the dosage, I think that the imposition of some form of conditions on the Applicants practice is warranted. I do feel, however, that the conditions imposed by the Respondent are unnecessarily restrictive and I would direct the Respondent to impose the following conditions:-

(1) That you do not engage in the practice of dentistry involving the use of general anaesthesia or sedation on any patient under the age of sixteen.
(2) The condition outlined in (1) above shall not operate so as to preclude you from making arrangements with one or more consultant anaesthetists to attend at your practice for the purpose of administrating sedation to patients of such practice under the age of sixteen provided that the consulting anaesthetist so attending remains throughout the treatment of such sedated patients until their discharge.
(3) That you should successfully complete an educational course in paediatric dentistry, namely the module in paediatric dentistry which is part of the diploma in clinical dentistry offered as a post-graduate course in the Dental Hospital, or a similar course to be approved of by the Respondent, and that on successful completion of such course, the Respondent should reconsider the restriction imposed at condition (1) above.


© 2001 Irish High Court


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