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versión impresa ISSN 1130-0558
Rev Esp Cirug Oral y Maxilofac vol.29 no.3 may./jun. 2007
CARTA AL DIRECTOR
A versatile route for reaching the mid-third of the facial skeleton
Una versátil vía de abordaje al esqueleto del tercio medio facial
From reading and studying this article, it would appear that the proposed therapeutic plan in the case report presented is achieved. According to the iconography revealed, a very satisfactory result is obtained and the authors should be congratulated. In this case, Cassons technique with a modified procedure has achieved the therapeutic objectives.
The method is indicated for not only trauma-type pathologies, but also for oncological and/or tumor midfacial surgery of different depths, as well as for treating cleft palate sequelae etc., as indicated by the authors in the article under discussion. Nevertheless, with regard to oncological surgery, with Cassons procedure and its modification, all clinical cases should be meticulously selected, so as not to fall into the temptation of avoiding external incisions, as the surgical perspective will be lost, which in oncology has to be completely radical. If the surgical fields are very tight, as can occur in these types of "closed" accesses, we will be subjecting the patient to true iatrogenia in order to give preference to cosmetic aspects, in the knowledge that conventional open surgery, based on the designs of skin incisions along classical lines, and supported by many years of experience, will normally permit safer accesses to the surgical area of interest.
When an acknowledged technique appears, someone will always claim to have carried it out before, either in part or completely, and sometimes this is true. We too, at the beginning of the second half of the seventies decade, in the childrens hospital that is now the Hospital Universitario Miguel Servet in Zaragoza, reached nasoseptal structures using an approach that was similar to Cassons. We did not do this through ingenuity, but rather as a response to absolute surgical necessity, as we did not feel technically or surgically capacitated to use a nasal approach in very young children to access nasoseptal structures as childrens nostrils are very small. Nasolabial sequelae, for example, in cleft patients are sometimes very difficult, and because of this we naturally sought a sublabial approach. This is an approach that for various years we had routinely been using for carrying out Le Fort I osteotomies, which for us at the end of the day is half Cassons technique, and moreover: How may times have we had to release the nasoseptal anchor in oncological surgery involving the upper jaw when the tumor became medial, or in surgery for malformation and/or trauma pathologies? For certain the answer is, numerous times, and we are sure that many surgeons working in the midfacial area, because of different pathologies, have also experience this.
Nevertheless, we are not trying to belittle Cassons procedure and its modifications over the years. Moreover, I believe that it is good to have authors that are able to synthesize procedures that are practically habitual, cataloging their design and their possible indications, and the authors should be thanked for this. Ever since the appearance in Plastic Reconstructive Surgery. 1974 Jan; 53(1): 102-3, of The midfacial degloving procedure by Casson PR, Bonanno PC, Converse JM, more and more modifications are appearing, not only of the surgical technique, but also of its therapeutic applications, without going into the 1987 Year Book of Otorhinolaryngology, surgery of the head and neck which refers to the 1972 issue of Gerald B. Healy from Harvard University and, "An Approach to the Nasal Septum in Children" Laryngoscope 96:1239-1242, November 1986 and more recently in Neurosurgery Vol. 50, No.4, April 2002, the Degloving Transfacial Approach with Le Fort I and Nasomaxillary Osteotomies: Alternative Transfacial Approach including Kaguhiko Kyoshima, M.D. and the relevant collaborators of the departments of Neurosurgery and Plastic surgery of the Shinshu University School of Medicine, Matsumoto, Japan for reaching the central region of the skull base, and lastly in The British Association of Plastic Surgeons (2004) 57,156-159 R. Bracaglias work has just appeared "Double Lateral Osteotomy in Aesthetic Rhinoplasty" that, using an endonasal approach, achieves similar results to those in the article discussed with 210 treated cases. In short, we have always felt that reasonable techniques in good hands can be exceptional, although excellent techniques in not so exceptional hands undoubtedly give the best results, as surgical activity is facilitated. This can occur to a certain extent with transfacial open sky techniques. Here the surgical fields obtained facilitate surgical activity, and there are no great impediments. Given that the design of the cutaneous incisions running along anatomic lines have been carefully thought out, and that they have a long surgical tradition, such as for example the classical Weber Fergusson incision, postsurgical incisions are practically invisible; that is providing the volume to be moved has been designed as true anatomic blocks, without partitions, as these on many occasions will lead to the formation of sequesters and the resulting skin fistulas will leave permanent traces.
It is probable that the appearance of open transfacial techniques that make the most of Weber Fergussontype incisions, which are the base of mucoosteomuculocutaneous flaps that give body to transfacial surgery and its modifications, has served precisely to bring closed techniques up to date and more into the light, because it is not a bad thing for surgeons to be inclined towards the procedures that they find less aggressive, providing the therapeutic perspectives are not lost for the benefit of cosmetic perspectives, as mentioned previously. We ourselves described how the Le Fort I type approach could be used as a transfacial approach in areas that are basically retromaxillary and for other indications: "Osteotomy of Le Fort I to reach the rhinopharynx (complementary note for- Desarticulación temporal pediculada a mejilla del maxilar superior (es) como vía de abordaje transfacial a las regiones fundamentalmente retromaxilares y para otras indicaciones (Vía maxilopterigoidea). Rev. Iberoamer. cirug. Oral y Maxilof. 5 (1983) 81.
Perhaps we might suggest to the authors of the article under review that the possibility of using submental intubation should be evaluated in selected cases, or perhaps degloving and mobilization of the midfacial soft tissue. This would avoid the orotracheal tube acting as an anchor and facilitate things, although a submental incision would of course have to be made. We would like to congratulate the authors for refining the midfacial approach using closed techniques. Without wishing to make any contradiction, we have used these techniques to design our own transfacial osteotomies with modifications, mostly using external incisions and, in our hands, the aesthetic and functional results have been excellent.
We would like to thank the Directors of the Journal for encouraging us to publish, together with the article discussed, diagrams of our transfacial methodology for pedicled transfacial surgery in its different designs and which can be used in conjunction with our craniofacial traction arch. This aids the surgical access to the base of the skull in distraction techniques, trauma and in rehabilitation processes which can be for uni- or bilateral temporomandibular ankylosis treatment, etc.
It should be understood that the open surgery that we support should be freely chosen depending on each clinical case to be treated. No one should impose either closed or open techniques. These days there is only room for serious and serene clinical criteria. It is, at least for us, a curious fact that if the medical literature is reviewed with regard to the different accesses discussed, and despite closed descriptions being older, ever since the appearance of open transfacial techniques, the former have become more habitual. This is an example of the pendulum effect; if someone develops a procedure with a certain degree of success, you will always find authors emerging who disagree. It should be neither one thing nor the other. Impartial criteria should prevail with regard to the patient requiring treatment. We have nevertheless sometimes said that nearly all techniques in good hands tend to be excellent. However, a more or less magnificent technique, if not carried out with the right parameters, could lead to failure and unexpected results could be attributed to the technique much to the surprise of its authors. We have not been able to put into practice some of the diagrams presented, particularly in pedicled craniofacial surgery because the case has not arisen, but should this happen the methodology is there.
Face transplants are currently a popular subject, and perhaps in the not too distant future they may be a reality. In this sense we would, once again, like to draw attention to our transfacial designs and those regarding pedicled craniofacial surgery. These are in preparation, should the case arise, for the transplantation of these functional tridimensional units, as a block, because contemplating only the transferal of soft tissue even though only this may be required, may be a conceptual error. And if this were to occur, it would be difficult to expect favorable results. A face transplant these days should be carried out when there is a need for large volumes, because for resolving more or less moderate losses, conventional reconstructive techniques are the most indicated.
Francisco Hernández Altemir1,
Sofía Hernández Montero2, Susana Hernández Montero3,
Elena Hernández Montero4, Manuel Moros Peña5
1Profesor Asociado. Jefe de Servicio de Cirugía Oral y Maxilofacial del Hospital
Universitario Miguel Servet. Zaragoza, España. Facultad de Medicina
2Médica Especialista en Cirugía Oral y Maxilofacial.
4Médico Especialista en Otorrinolaringología
5Médico Especialista en Pediatría y Puericultura
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